new era public school...spurt of violence previously unknown in indian schools makes it incumbent on...
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NEW ERA PUBLIC SCHOOLHoliday Homework (2017-18)
Class: XIISubject: English
I. Attempt all questions.
Q1. You want to sell your house at 15 Rajendra Nagar, New Delhi. Draft an advertisement innot more than 50 words, giving the necessary details, to be published in the classifiedcolumns of ‘The New India Express.’ You are Krishna/Alka.
Q2. You are Anuj, a social activist. Design a poster to observe ‘Wildlife Protection Week’ inyour city, in 50 words.
Q3. G.L. Institute recently organised a ‘No Tobacco’ Workshop. Write a report on the sameto be published in the newspaper in 150-200 words.
Q4. Spurt of violence previously unknown in Indian schools makes it incumbent on theeducationists to introduce value education effectively in schools. Write an article in 150-200words expressing your views on the need of value education. You are Anu/Aditya.
Q5. ‘Brain Drain is not a bane for a country like India.’ Write a debate in 150-200 wordseither for or against the motion.
II. The Invisible Man
Read the prescribed novel, ‘The Invisible Man.’
Attempt the following questions.
Q1. Draw a pen portrait of Dr. Kemp and contrast him with Griffin.
Q2. Do you consider Marvel a smart turncoat? Why/Why not?
Q3. ‘Science is a threat to humanity.’ Comment on the statement in context of The InvisibleMan.
III. GS Project
1. 12 A- Study of Gender Stereotypes in Advertisements
2. 12 B- The Indian Subcontinent
3. 12 C- Constitution of India
4. 12 D- Endangered tribes of India
5. 12 E- Brexit and India
6. 12 F- Religion and Science
7. 12 G- Pop culture
Note- Attempt I and II in your English register and III on A4 sized sheets
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NEW ERA PUBLIC SCHOOLHoliday Homework (2017-18)
Class: XIISubject: Mathematics
Topic: Matrices And Determinants
1 MARK QUESTIONS
1. If a matrix has 5 elements, write all possible orders it can have.
2. For a 2× 2 matrix A = [a ij], whose elements are given by aij =2( 2 )
4
i j, write the value
of a21.
3. Find the value of p, such that the matrix1 2
4 p
is singular.
4. If points (2, 0), (0, 5) and (x, y) are collinear, then show that 12 5
x y .
5. If for matrix A, |A| = 3, find |5A|, where matrix A is of order 2 × 2.
6. A is a non-singular matrix of order 3 and |A| = – 4. Find |adj. A|
7. If A is a square matrix of order 3 and |A| = –2, find the value of | –3A|.
8. If A = ,a b
c d
find determinant IA. (adj. A) I.
9. Evaluate: sin 30° cos 30°− sin 60° 60°10.If
1 1 4 1
3 2 1 3
x x
x x
, then write the value of x.
11. If =1 2 3
2 0 1
5 3 8
write the minor of element a23, a32 and a13.
4 and 6 MARKS QUESTIONS
12.If A =1 2
2 1
, f (x) = x2 – 2x –3, show that f (A) = 0 and hence find A-1.
13.Find the value of x, if: [1 x 1]1 2 3 1
4 5 6 2 0
3 2 5 3
2
14.For the matrix A =3 2
,1 1
find the numbers a and b such that A2 + bA + bI = O and
hence find A–1.
15. If A =1
2
3
, B = [–2 –1 –4], verify that (AB)´ = B´A´.
16. Using elementary row transformations, find the inverse of the following matrices:
a)2 1 4
4 0 2
3 2 7
c) 2 7− 4 3b)
1 3 2
3 0 1
2 1 0
d) −1 4−2 817. Show that:
2
2 3
2
( )
( ) 2 ( ) .
( )
y z xy zx
xy x z yz xyz x y z
xz yz x y
18.Prove that 2
b c q r y z a p x
c a r p z x b q y
a b P q x y c r z
19.Solve the following system of equations using matrices.
a) 2x + 3y +3 z = 5 ; x – 2y + z = – 4 ; 3x – y – 2z = 3
b)2 3 10
4x y z ;
4 6 51
x y z ;
6 9 202
x y z
20.Given two matrices A =1 1 0
2 3 4
0 1 2
and B =2 2 4
4 2 4
2 1 5
verify that BA = 6 I.
Use the above result to solve the following system of equations:x – y = 3; 2x + 3y + 4z + 17; y + 2z = 7.
21.If A =1 1 1
2 1 3 ,
1 1 1
find A–1 and use it to solve the following system of equations:
x + 2y + z = 4, – x + y + z = 0, x – 3y + z = 2 .
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24 . Ten students were selected from a school on the basis of values for giving awards and weredivided into three groups. The first group comprises of hard workers, the second group hashonest and law abiding students and the third group has vigilant and obedient students.Double the number of the first group added to the number in the second group gives 13, while
the combined strength of first and second group is four times that of the third group. Usingmatrix method, find the number of students in each group. Apart from these values, suggest onemore value, which in your opinion, the school should consider for awards.
25. Find the matrix A, such that2 1 3 2 1 0
.3 2 5 3 0 1
A
26. If f(x) =−1 0−1² , using properties of determinants, find the value of f(2x) - f(x).
27. Three schools A, B and C organized a fete for collecting funds for helping the flood victims.They sold handmade fans, mats and plates at the rate of rupees 25, 100 and 50 each. The numberof articles sold is as follows:
Article / School A B CFans 40 25 35Mats 50 40 50Plates 20 30 40
Find the funds arranged by each school by selling the above articles. Also find the total fundscollected.
Write one value generated by the above situation.
Topic: Relations And Functions
1 MARK QUESTIONS
1. Find the number of all the possible one-one functions from set A = {1, 2, 3} to itself.
2. Let f : R R be defined by f (x) = |x|. Is the function f onto? Give reasons.
3. If f (x) = ex and g(x) = log x, show that fog = gof, given x > 0.
4. If f (x) = 2x² - 3 x and g(x) = 1 - 4x, find fog and gof.
5. If f (x) =1
,1
x
x
(x 1, –1), show that fof –1 is an identity function.
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6. If f (x) = 5 3 5, ,
4 5 4
xx
x
show that f {f(x)} is an identity function.
7. If f (x) is an invertible function, find the inverse of f (x) =3 2
5
x .
8. Let * be a binary operation, defined by a * b = 3a + 4b –2, find 4* 5.
9. What is the range of the function f (x) = | 1|
( 1)
x
x
?
10. Let * be a binary operation, defined by a * b = 3a + 4b –2, find (-2) * 3.
4 MARK QUESTIONS
11. Show that the relation R in the set A = {1, 2, 3, 4, 5} given by R = {(a, b) : |a – b| is even}, isan equivalence relation. Show that all the elements of {1, 3, 5} are related to each other andall the elements of {2, 4} are related to each other. But no element of {1, 3, 5} is related toany element of {2, 4}
12. Check whether the relation R in R defined by R = {(a, b) : a ≤ b3} is reflexive, symmetric ortransitive.
13. Let L be the set of all lines in XY plane and R be the relation in L defined as R = {(L1, L2) :
L1 is parallel to L2}. Show that R is an equivalence relation. Find the set of all lines related
to the line y = 2x + 4.
14. Show that the relation R defined by (a, b) R(c, d) a + d = b + c on the set N × N is an
equivalence relation.
15. Let R be the equivalence relation in the set Z of integers given by R = {(a, b) : 2 divides
a – b}. Write the equivalence class [0].
16. Let A = {1, 2, 3. . . . 9} and R be the relation in A ×A defined by (a, b) R (c, d)
if a + d = b + c for (a, b), (c, d) in A ×A. Prove that R is an equivalence relation and also
obtain the equivalence class for [(2, 5)].
17. Let f : N → N be defined by f (n) =
1, if is odd
2
, if is even2
nn
nn
for all n N.
State whether the function f is bijective. Justify your answer.
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18. Let A = R – {3} and B = R – {1}. Consider the function f : A → B defined by2
( ) .3
xf x
x
Is f one-one and onto? Justify your answer.
19. Show that the function f : R→ {x R : – 1 < x < 1} defined by f (x) = ,1 | |
x
xx R is one
one and onto function.
20. Show that the function f : R → R defined by2
( ) , ,1
xf x x R
x
is neither one-one nor
onto.
21. Consider f : R+→ [4, ∞) given by f (x) = x2 + 4. Show that f is invertible with the inverse f –1
of f given by f–1 (y) = 4y , where R+ is the set of all non-negative real numbers.
22. Consider f : R+→ [– 5, ∞) given by f (x) = 9x2 + 6x – 5. Show that f is invertible with
f –1(y) = 6 1
3
y
23. Determine which of the following binary operations on the set R are associative and which
are commutative.
(i) ab = 1∀a, b R (ii) ab =( )
2
a b ∀a,bR
24. Consider the binary operation *: R × R R and °: R × R R defined as a * b = |a –b| and
a ° b = a for all a, b, R. Show that ‘*’ is commutative but not associative, ‘°’ is associativebut not commutative.
25. Show that the binary operation * defined by a * b = a – b, on Z not commutative and
associative.
26. Find the domain and range of the following functions:
i. 81 − ²ii. ( )²
iii.
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iv. ²v. 1 − ²
Topic: Application Of Derivatives
1MARK QUESTIONS
1. The total revenue received from the sale of x units of a product is given by
R(x) = 6x2 + 13x + 13x + 10. Find the marginal revenue when x = 10.
2. The side of an equilateral triangle is increasing at the rate of 0.5 cm/sec.
Find the rate of increase of its perimeter.
3. The total cost C(x) of producing x units of an article is given by
C(x) = 0.005x3 – 0.02x2 + 30x + 5000.Find the marginal cost when 3 units are produced.
4. Find the maximum and minimum values, if any, of the following functions :
(i) f (x) = |x + 2 | – 1 (ii) g(x) = – | x + 1| + 3
(iii) h(x) = sin (2x) + 5 (iv) f (x) = | sin 4x + 3|
(v) h(x) = x + 1, x ∈ (– 1, 1)
5. Find the maximum value of sin x+ cos x .
6. Find the minimum value of sinx cosx .
4 / 6 MARKS QUESTIONS
7. A ladder 10 m long is leaning against a wall. The bottom of the ladder is pulled along theground, away from the wall, at the rate of 2cm/s. How fast is its height on the wall decreasingwhen the foot of the ladder is 8m away from the wall?
8. A particle moves along the curve 6y = x3 +2. Find the points on the curve at which they-coordinate is changing 8 times as fast as the x-coordinate.
9. A water tank has the shape of an inverted right circular cone with its axis vertical and vertexlowermost. Its semi-vertical angle is tan–1 (0.5). Water is poured into it at a constant rate of
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5 cubic metres per hour. Find the rate at which the level of the water is rising at the instant whenthe depth of water in the tank is 4 m.
10. A man of height 2 metres walks at a uniform speed of 5 km/h away from a lamp post which
is 6 metres high.Find the rate at which the length of his shadow increases.
11. Using differentials, find the approximate value of each of the following up to 3 places of
decimal.
(i) 25.3 (ii) (0.999)1/10 (iii) (15)1/4 (iv)(401)1/2
(v) (3.968)3/2 (vi)(32.15)1/5
12. Find the approximate value of f (3.001), where f (x) = x3 – 7x2 + 15.
13. Find the intervals in which the function f(x) = (x + 1) 3 (x – 3) 3 is strictly increasing or
strictly decreasing.
14. Show that the function f given by f(x) =tan-1 (sin x + cos x), x > 0 is always increasing in
(0, π / 4).
15. Find the intervals in which the function f given by f(x) = sin x + cos x, 0 ≤ x ≤ 2π is
(i) Strictly increasing (ii) Strictly decreasing
16. Show that log (1+ x) 2, 1,
2
xx
x
is an increasing function throughout its domain.
17. Find intervals in which the function given by 4 3 23 4 36( ) 3 11
10 5 5f x x x x x is
(a) Strictly increasing (b) Strictly decreasing.
18. Find the equation of the tangent to the curve x2 + 3y – 3y + 0, which is parallel to the liney = 4x – 5.
19. Prove that the curves y2 = 4x and x2 + y2 – 6x + 1 = 0 touch each other at the point (1, 2).
20. Prove that the curves x = y2 and xy = k cut at right angles if 8k2 = 1.
21. Show that the normal at any point θ to the curve x = a cosθ + a θ sin θ, y = a sinθ – aθ cosθ isat a constant distance from the origin.
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22. Find the equations of the tangent and normal to the curve 16x2 + 9y2 = 144 at ( x1 y1), wherex1 = 2 and y1 > 0. Also, find the points of intersection where both tangent and normal cut thex – axis.
23. Find the area of the greatest rectangle that can be inscribed in an ellipse2 2
2 21
x y
a b .
24. Show that the height of a closed right circular cylinder of given surface and maximumvolume, is equal to the diameter of its base.
25. An open box with a square base is to be made out of a given quantity of cardboard of area
c2 square units. Show that the maximum volume of the box is3
6 3
ccubic units.
26. Prove that the radius of the right circular cylinder of greatest curved surface area which canbe inscribed in a given cone is half of that of the cone.
27. Show that of all the rectangles inscribed in a given fixed circle, the square has the maximumarea.
28. A window has the shape of a rectangle surmounted by an equilateral triangle. If the perimeterof the window is 12m, find the dimensions of the rectangle that will produce the largest areaof the window.
29. Find the volume of the largest cylinder that can be inscribed in a sphere of radius r.
30. A tank with rectangular base and rectangular sides, open at the top is to be constructed so thatits depth is 2 m and volume is 8 m3. If building of tank costs Rs. 70 per sq. metre for the baseand Rs. 45 per sq. metre for sides, what is the cost of least expensive tank?
NEW ERA PUBLIC SCHOOLHoliday Homework (2017-18)
Class: XIISubject: Biology
Instruction: Answer the following questions in Biology register.
1. Meiosis is an essential event in the sexual cycle of any organism. Give two reasons.2. Why do moss plants produce very large number of male gametes? What are these
gametes called?3. a) A liverwort is unable to complete its life cycle in a dry environment. State two
reasons.b) All papaya plants bear flowers, but fruits are seen only in some. Explainc) Both coconut palm and date palm produce staminate flowers. One is monoeciousand the other is dioecious. Write the difference
4. What is apomixis? How is it useful to the farmer?5. A flower of tomato plant following the process of sexual reproduction produces 240
viable seeds. Answer the following questions giving reasons:a) What is the minimum number of pollen grains that must have been involved in the
pollination of its pistil?b) What would have been the minimum number of ovules present in the ovary?c) How many megaspore mother cells were involved?
6. Explain the events after pollination leading to the formation of a seed in angiosperms.7. List any three outbreeding devices that flowering plants have developed and explain
how they help to encourage cross-pollination.8. Mature seeds of legumes are non-albuminous. Then, can it be assumed that double
fertilisation does not occur in legumes? Explain your answer.9. An anther with malfunctioning tapetum often fails to produce viable male
gametophytes. Why?10. What is the effect of high conc. of LH on a mature Graafian follicle?11. How is Placenta formed in the human female? Name the hormones secreted by it and
their function12. How does ‘Cu T’ act as an effective contraceptive?13. Draw labelled diagrams for the following:
a) T.S. of Testis.b) sectional view of human ovary.c) a fertilised embryo sac of a dicot flowerd) a typical anatropous ovule.
14. In pea, tallness is dominant over the white colour. When a tall plant bearing redflowers was pollinated by a dwarf plant bearing white flowers, the differentphenotypic groups were obtained in the progeny in numbers mentioned against them.Tall, Red = 138Tall, White= 132Dwarf, Red = 136Dwarf, White = 128Mention the genotypes of the two parents and of the types of four offsprings.
15. Give reasons:
a) A gamete contains single chromosome out of a pair of homologous chromosomes.b) Due to Linkage, parental gene combinations are retained.c) Human male is heterogametic.d) Haemophilia is generally observed in human males.
16. In a pea plant, smooth seed coat is dominant over wrinkled seed coat. What will bethe expected ratio of phenotypes of the offspring in the following crosses:a) Heterozygous smooth x Heterozygous smooth.b) Heterozygous smooth x Homozygous wrinkled.c) Heterozygous smooth x Homozygous smooth.
17. Draw a double stranded polynucleotide chain.18. What are the characteristics of a molecule that can act as genetic material?19. Explain DNA replication.20. How is gene expression controlled? Explain with an example.
NEW ERA PUBLIC SCHOOLHoliday Homework (2017-18)
Class: XIISubject: Chemistry
General Instructions:-1. Do the given assignments in a thin assignment notebook. A copy of the assignments shouldalso be pasted.2. Select and get the topic of the project approved before making the project.3. Make the project on the approved topic without filling in the observation table /experimental results.4. Learn the Scheme for inorganic salt analysis by heart.1. Solid State- Objective Questions:
1.Body centred cubic lattice has a co-ordination no. of :(a) 8 (b) 12(c) 6 (d) 4
2. The number of atoms in 100 g of an FCCcrystal with density as 10 gm cm-3 and celledge as 200 pm is equal to :(a) 3 x 1025 (b) 5 x 1024
(c) 1 x 1025 (d) 2 x 1025
3. In an hcp structure of atoms, fraction ofvolume occupied is A and in ccp structure,the fraction is B. Then relation for A and B is:(a) A=B (b) A<B(c) A> B (d) none
4. Total number of lattice arrangements indifferent crystal systems is :(a) 8 (b) 7(c) 6 (d) 14
5. Which of the following crystals does notexhibit Frenkel defect :(a) AgBr (b) AgCl(c) KBr (d) ZnS
6.A semiconductor of Ge can be made p-typeby adding(a) In (b) P(c) Si (d) As7. The major binding force in silica is(a) Ionic Bonds (b) Vander Waal Forces(c) Metallic bonds (d) Covalent Bonding
9. Na and Mg crystallise in BCC and FCCtype crystals, respective numbers of Na andMg atoms per unit cell are(a) 4 and 2 (b) 2 and 1(c) 2 and 4 (d) 1 and 4
10. An element with edge length 400 pm &atomic mass 120 g/ mol crystallise in BCCstructure. The density of the crystal is:(a) 3.114 g cm-3 (b) 12.458 g cm-3
(c) 6.229 g cm-3 (d) 7.221 g cm-3
11. Glass is a(a) Micro crystalline solid (b) PolymericSolid(c) Super cooled liquid (d) Long rangesolid
12. Density of a crystal remains unchangedas a result of(a) Frenkel defect (b) Impuritydefect(c) Metal excess defect (d) Schottkydefect
13. Which of the following statements aboutamorphous solids is incorrect :(a) They have a range of melting points(b) They are anisotropic(c) They have disturbed arrangement ofparticles (d) They arerigid and incompressible14. If Z is the number of atoms per unit cellin FCC then number of tetrahedral voids is(a) 8 (b) 12(c) 6 (d) 4
8. Highest melting point is exhibited by(a) Ionic solids (b) Metallic Solids(c) Covalent Solids (d) MolecularSolids
15. A crystalline solid has a cubic structure inwhich W atoms are located at the cubecorners, O atoms at the face centres and Naatoms at body centre. The molecular formulaof the compound is(a) NaWO3 (b) Na2WO4
(c) Na2WO3 (d) NaWO4
2. Solutions- Objective Questions:
1.Freezing point of 1 m solution of NaClassuming complete dissociation is(Kf forH2O 1.86 Kmolal-1)(a) 1.86 OC (b) -1.86 OC(c) -3.92 OC (d) 3.92 OC
2. Which of the following has the highestboiling point :(a) K2SO4 (b) NaCl(c) NH2CONH2 (d) C6H12O6
3. Saturated solution of NaCl on heatingbecomes(a) Supersaturated (b) Unsaturated(c) Remains saturated (d) none
4. Which is not a colligative property:(a) Lowering of vapour pressure(b) Depression in freezing point(c) Elevation in boiling point(d) Diffusion gradient
5. Which of the following pairs of solutioncan we expect to be isotonic at the sametemperature:(a) 0.1 M urea and 0.1 M NaCl(b) 0.1 M urea and 0.2 M MgCl2
(c) 0.1 M NaCl and 0.1 M Na2SO4
(d) 0.1 M Ca(NO3)2 and 0.1 M Na2SO4
6.A 0.6% solution of urea would be isotonicwith(a) 0.1 M Glucose (b) 0.1 M KCl(c) 0.6% Glucose solution (d) 0.6% KClsolution
7. Equal volumes of 0.1 M AgNO3 and 0.2 MNaCl are mixed. The concentration of NO3
-
ions in the mixture will be(a) 0.1 M (b) 0.2 M(c) 0.15 M (d) 0.05 M
9. Vapour pressure of CCl4 at 25 OC is 143mmHg. 0.5 gm of non volatile solute (molweight = 65 g/mol) is dissolved in 100 mlCCl4. Find the vapour pressure of solution(density of CCl4is 1.58 g cm-3)(a) 141.93 mm (b) 94.39 mm(c) 143.99 mm (d) 199.34 mm
10. What is the molarity of H2SO4solutionthat has a density of 1.84 g cm-3at 35 OC andcontains 98% by weight?(a) 18.4 M (b) 8.14 M(c) 4.18 M (d) 17.9 M
11. The relationship between osmoticpressure at 273K when 10 g glucose (p1), 10g urea (p2) and 10 g sucrose (p3) aredissolved in 250 ml of water separately is(a) p1>p2>p3 (b) p3>p1>p2(c) p2>p1>p3 (d) p2>p3>p1
12. In an ideal solution of MeOH and EtOH,partial vapour pressures of the twocomponents are 2.619 k Pa and 4.556 KParespectively. Mole fraction of MeOH invapour phase is(a) 0.635 (b) 0.365(c) 0.173 (d) 0.574
13. A 5% solution of C12H22O11is isotonicwith 1% solution of substance X. Molecularmass of X is(a) 171.2 (b) 68.4(c) 34.2 (d) 136.2
14. For determination of molecular mass ofproteins which colligative property is used :(a) Osmotic pressure (b) Osmosis(c) Diffusion pressure (d) Boiling point
8. Equivalent mass of crystalline oxalic acidwill be(a) 90 (b) 126(c) 53 (d) 63
15. A 1 litre solution of 0.5 M H2SO4solutionis diluted to 15 litres, normality of resultingsolution is(a) 0.066 (b) 0.033(c) 0.015 (d) 0.132
3. Electrochemistry- Objective Questions:
1.Stronger the oxidising agent, greater is the(a) Reduction potential (b) Oxidationpotential(c) Ionic Behaviour (d) none
2. For measuring the conductivity of anelectrolyte its solution should be prepared in(a) Tap water (b) Conductivitywater(c) Distilled water (d) Organic Solvent
3. If half cell reaction A + e- A-has alarge negative reduction potential, it followsthat(a) A gets readily reduced(b) A gets readily oxidised(c) A- gets readily reduced(d) A- gets readily oxidised
4. The amount of electricity that can deposit108 gm silver from AgNO3 solution will be :(a) 1 Ampere (b) 1 Faraday(c) 1 Coulomb (d) 1 esu
5. During the electrolysis of diluteH2SO4using Pt electrode(a) H2 is liberated at anode(b) H2 is liberated at cathode(c) H2O is liberated at anode(d) O2 is liberated at cathode
6. An Unknown metal M displaces Ni fromNiSO4but doesn’t displace Mn from MnSO4.Correct order of reducing power is(a) Mn>Ni>M (b) Ni>M>Mn(c) Mn > M > Ni (d) M>Ni>Mn
9. Mark the false statement w.r.t. anelectrochemical cell :(a) electrons are released at anode(b) Cathode is negative electrode(c) Chemical energy is converted intoelectrical energy(d) Salt bridge is used to maintain electricalneutrality
10. The specific conductivity of a 0.1 M KClsolution is 0.012 Ω-1cm-1 and resistance isfound to be 55 Ω. The cell constant is :(a) 0.142 cm-1 (b) 0.66 cm-1
(c) 0.918 cm-1 (d) 1.12 cm-1
11. ΛOm of Ba2+ and Cl-are 127.32 and 76.34
Scm2mol-1respectively. What is the ΛOm for
BaCl2?(a) 280Scm2mol-1 (b) 330.98Scm2mol-1
(c) 90.98 Scm2mol-1 (d) 201.28Scm2mol-1
12. Standard Eo values are Fe2+/Fe = -0.44 V,Fe3+/Fe2+ = 0.77 V. If Fe2+, Fe3+ and Feblocks are kept together, then(a) Fe2+ decreases (b) Fe3+increases(c) Fe3+ decreases (d) Fe increases
13. Zinc gives H2 with dilute H2SO 4 and HClbut not with HNO3 because(a) Zn acts as an oxidising agent when reactswith HNO3
(b) HNO3is a weaker acid than H2SO4 andHCl(c) NO3
–is reduced in preference tohydronium ion(d) Zn lies above hydrogen inelectrochemical series
7. The ΛOm of NaCl, HCl and CH3COONa
are 126.45, 426.16 and 91 Ω-1cm2 mol-1
respectively. Then ΛOm of CH3COOH will
be:(a) 201.28 Ω-1cm2mol-1 (b) 390.71 Ω-
1cm2mol-1
(c) 698.28 Ω-1cm2mol-1 (d) 540.48 Ω-
1cm2mol-1
8. A depolariser in the dry cell is:(a) Zn container (b) NH4Cl paste(c) MnO2 (d) Graphite rod
14. The e.m.f. of a Daniel cell at 298Kis E1
Zn|Zn2+ (0.01M) || Cu2+ (1.0M) | Cu. Whenthe concentration of Zn2+ is 1.0M and that ofCu2+is 0.01M, the E.M.F. changes to E2.Therefore(a) E2 =0 ≠ E1 (b) E1>E2
(c) E1<E2 (d) E1=E2
15.If 3 Faraday of electricity is passedthrough the solutions of AgNO3, CuSO4 andAuCl3then molar ratio of cations deposited atcathode is :(a) 1:2:3 (b) 3:2:1(c) 6:3:2 (d) 1:3:2
4. Chemical Kinetics - Objective Questions:
1. Which of the following statement is correct:(a)The rate of as a reaction decreases withpassage of time as the concentration ofreactants decreases.(b)The rate of a reaction is same at any timeduring the reaction.(c)The rate of a reaction is independent oftemperature.(d)The rate of reaction decreases with increasein concentration of reactant(s).
2. Rate law for the reaction A+2B → C isfound to beRate = k [A][B]. Concentration of reactant ‘B’is doubled, keeping the concentration of ‘A’constant. The value of rate constant will be:(a)the same (b)doubled (c)quadrupled(d)halved
3. A first order reaction is 50% completed in1.26 x 1014s. How much time would it take for100% completion?(a)1.26x1015 s (b)2.52x1014s (c)2.52x1028s(d)infinite
4. Which of the following expressions iscorrect for the rate of the reaction given below:
5Br – + BrO3- + 6H+ → 3Br2 + 3H2O
(a)[ ]
= 5[ ]
(b)[ ]
=[ ]
(c)[ ]
=[ ]
(d)[ ]
= 6[ ]
7. The rate of reaction doubles for every 10°Crise in temperature. If the temperature is raisedby 50°C, the rate of reaction increases by about(a)10times (b)24times (c)32times(d)64times
8. Mark the incorrect statement.(a)Catalyst provides an alternative pathway toreaction mechanism.(b)Catalyst raises the activation energy.(c)Catalyst lowers the activation energy.(d)Catalyst alters enthalpy change of a reaction.
9. A first order reaction has rate constant k =5.5x10-14s-1. The half of the reaction will be:(a)1.54x1012s (b)1.26x1014s(c)1.26x1013 s (d) 1.54x1013s
10. A first order reaction takes 100 min forcompletion of 60% of the reaction. The timewhen 90% of the reaction will be completedwill be :(a)450.85s (b)251.25s (c)115.07s(d)206.39s
11. The rate constants of a reaction at 500 Kand 700 K are 0.02s-1 and 0.07s-1 respectively.The activation energy for the reaction will be:(a)21.44 kJ/mol (b)55.42 kJ/mol(c)11.58 kJ/mol (d)18.23kJ/mol
5. Which of the following statements isincorrect about the collision theory of chemicalreaction:(a)It considers reacting molecules or atoms tobe hard spheres and ignores their structuralfeatures.(b)Number of effective collisions determinesthe rate of a reaction.(c)Collision of atoms or molecules possessingsufficient threshold energy results into theproduct formation.(d)Molecules should collide with sufficientthreshold energy and proper orientation for aneffective collision.
6. In the graph of Maxwell Boltzmanndistribution of energy________. Fill in thesuitable statement.(a) area under the curve does not change withincrease in temperature.(b) area under the curve increases with increasein temperature.(c) area under the curve decreases with increasein temperature.(d) with increase in temperature curve broadensand shifts to the right hand side.
12. Which of the following factors do notcontrol the rate of a chemical reaction:(a)Nature of the reactants(b)Concentration of the reactants(c)Temperature(d)Concentration of products13. If half life period of first order reaction is
‘x’ and th life period of the same is ‘y’, therelation between ‘x’ and ‘y’ is:(a)y = 2x (b) x = 2y (c) x = y (d) x = y
14. For the reaction U → V, the rate of reactionbecomes 3 times when the concentration of Ais increased 27 times. The order of the reactionis:
(a)3 (b) (c) (d)
zero15. Which of the following statements isincorrect for the order of the reaction:(a) Order can be determined onlyexperimentally.(b) Order is not influenced by stoichiometriccoefficient of the reactants.(c) Order of the reaction is the sum of thepowers to the concentration terms of reactantsto express the rate of the reaction.(d) Order of the reaction is always a wholenumber.
5. Polymers – Objective Questions:
1.On the basis of molecular forces, Nylon 6,6is which type of polymer?(a) Elastomers (b) Thermosettingpolymers(c) Fibres (d) Thermoplasticpolymers
2. Tetrafluoroethene upon polymerisationgives:(a) Orlon (b) Dacron (c) Novolac(d) Teflon
3. Monomers of bakelite are:(a) methanol & phenol (b) methanol& phenol(c) methanoic acid & phenol (d) menthol &phenol
8. Which of the following is not an additionpolymer?(a) polyacrylonitrile (b) Buna-N(c) terylene (d) neoprene
9. Novolac is used in(a) paints (b) phonographrecords(c) raincoats (d) pipelines
10. Melamine-formaldehyde resin is used formaking(a) laminated sheets (b) tyres(c) unbreakable crockery (d) floor tiles
11. Dacron or terylene is not a(a) condensation polymer (b) elastomer(c) synthetic polymer (d) polyester
4. The correct order of arrangement ofpolymers on the basis of strength ofintermolecular forces is:(a) Neoprene < PVC < Nylon 6(b) Neoprene < Nylon 6 < PVC(c) PVC < Neoprene < Nylon 6(d) PVC < Nylon 6 < Neoprene5. What does vulcanisation of rubber not do?(a) sulphur cross linking(b) hardening of rubber(c) making rubber elastic(d) making rubber resistant to attack byoxidants
6. ________ is an example of biodegradablepolymer:(a) Nylon 2-Nylon 6 (b) Glyptal(c) Nylon 6,6 (d) Nylon 6
7. (NH-CHR-CO)n is a(a) addition polymer(b) homopolymer(c) semi-synthetic polymer(d) copolymer
12. Number 6 in nylon 6,6 and nylon 6 is(a) number of carbon atoms present in themonomer(b) total number of atoms present in themonomer(c) total number of atoms in the polymer(d) presence of a six-membered ring thepolymer
13. Monomer of natural rubber is:(a) trans-isoprene (b) cis-butadiene(c) cis-isoprene (d) trans-chloroprene
14. PHBV is used in making(a) paints & lacquers (b) sportswear (c)oil-seals(c) packaging of orthopaedic devices
15. Which of the following is not athermoplastic polymer?(a) polystyrene (b) polyvinyls(c) polythene (d) neoprene
I
NEW ERA PUBLIC SCHOOL Holiday Homework (2017- 2018)
Class - XII
Subject - Physics
GENERAL INSTRUCTIONS:
1. All questions are compulsory.
2. Students are required to do this assignment in their class notebook.
3. Students are required to make one project on any topic from the prescribed Syllabus mentioned in the
practical book.
Q1. Draw an equipotential surface:
(a) In a uniform electric field
(b) For a point charge <0.
Q2.How will the capacitance of a capacitor change when a dielectric slab is introduced between the plates of a
capacitor?
Q3. How does the resistivity of a conductor depend upon the number density of free electrons and temperature?
Q4. Show mathematically that the potential at a point on the equatorial line of an electric dipole is zero.
Q5. A hollow metal sphere of radius 5cm is charged such that the potential on its surface is 10V. What is the
potential at the center of the sphere?
Q6. A charge of 12 C is given to hollow metallic sphere of radius 0.1m. Find the potential at (i) the surface of the
sphere (ii) center of the sphere.
Q7. Calculate the Coulomb force between a proton and an electron separated by 0.8 x 10-15
m.
Q8 Calculate the Value of electric field exactly balancing the weight of an electron.
Q9.Two capacitors 3 farad & 6 farad are connected in series witha 6 V battery. Which one will have higher
potential?
Q10. Calculate the net capacitance of the given network, if each capacitor is 5 microfarad.
A c
c c c
B
Q11. If the plates of a charged capacitor are further separated while the capacitor is still connected to the charging
battery, what will happen to the energy?
Q12 The V-I graph for two metals is shown below. Which one will have higher resistivity?
V A
I
Q13. How does a torque affect the dipole in an electric field?
Q14. 27 drops of same size are charged at 220V each. They collapse to form a bigger drop. Calculate the potential
of the bigger drop.
Q15. Draw a plot showing the variation of electric field & potential with distance due to a point charge.
Q16.A wire of resistance 5 ohm is drawn out so that its length is increased to twice its original length. Calculate its
original resistance.
Q17. A lamp of 100 W works at 220 volt calculate its resistance & current capacity?
Q18. Why are thick copper wires used as connecting wire?
Q19. Why is the use of a potentiometer preferred over that of a voltmeter for measurement of E.M.F of a cell?
Q20. Define resistivity of the material of a wire. State its S.I. unit.
Q21. The storage battery of a car has an E.M.F. of 12 V. If the internal resistance of the battery is 0.4 ohm, what is
the maximum current that can be drawn from the battery?
1
NEW ERA PUBLIC SCHOOLHoliday Homework (2017-18)
Class: XIISubject: Computer Science
Instructions: Do all the questions in your Computer Science register only
Q1. Answer the following questions:a) When will you make function inline and why?b) What are actual arguments and formal arguments in C++? Explain with example.c) Differentiate between call by reference and call by value, with example?d) Explain the concept of inheritance in OOPs with example?e) Illustrate the use of local and global variables in C++, with an example.f) What is the significance of private, protected and public specifiers in a class? With an
example explain in detail.g) Differentiate between a default and a parameterized constructor in context of class and
object. Give suitable example in C++.h) What is the similarity and difference between break and continue statements?i) What is the difference between abstract class and concrete class?j) What do you mean by static variable? Explain with help of example.k) How member functions and non member functions differ? Explain with example.l) What do you understand by Polymorphism? Give a suitable example of the same.m) Give the difference between the type casting and automatic type conversion Also give a
suitable C++ code to illustrate both.n) What is function overloading? Explain example the term “default arguments”. ? Give an
example in C++ to illustrate both types.o) Give the difference between the type casting and automatic type conversion. Also, give a
suitable C++ code to illustrate both.p) What do you understand by Data Abstraction, Data Encapsulation and Data Hiding?
Also, give a suitable C++ code to illustrate both.q) What is constructor overloading? Give an example to illustrate the same.r) Write a function to accept three integers and return the smallest of three numbers(use
conditional operator)s) Write the prototype of a function named Area, which take a float value as parameter and
return a double type value. The parameter should have a default value 5.2.
Q2. Which C++ header file(s) will be essentially required to be included to run /execute thefollowing C++ source code (Note: Do not include any header file, which is/are not required)
a)void main(){randomize ();int val= random(5);char name =’F’;for (char ch= ‘A’; ch<=name; ch=ch+2)cout<<setw(4)<<name<<”\t”<<val;}
2
b)void main(){char Text[ ]="SomeThing";cout<< "Remaining SMS Chars:”<<160-strlen(Text)<<endl;}
c)#include<iostream.h>#include<stdio.h>#include<string.h>#include<ctype.h>#include<math.h>void main(){ char c, String[ ] = " System Design ";for(int i=0; String[i]!='\0' ;i++)if(isdigit(String[i])cout<<endl;else{c=toupper(String[i]);cout<<c;}}
Q3.Rewrite the given snippet after removing the syntactical error(s), if any. Underline eachcorrection
a) include<iostream.h>#define MAX 10void main(){ int AY[MAX]=(5,10,15,20,25);
const int loop 5;for[int m=0; m<loop,m++]switch(m):
{ case 0:case 4: cout<<AY[m]*5case 2:case 1 cout>>AY[m]>>endl;
}}
b) Rewrite the following program after removing the syntactical errors (if any).Underline each correction.#include <iostream.h>
class Book{long Bid,Qty;
public:void Purchase(){cin>>Bid>>Qty;}void Sale{cout<<setw(5)<<Bid<<”Old:”<<Qty<<endl; }};
3
void main(){ Book B;
B.Purchase();B.Sale()Sale.B();Sale();
}
Q4. Find the output of the following program#include <iostream.h>#include <string.h>#include <ctype.h>void swap(char &c1,char &c2){char temp;temp=c1;c1=c2;c2=temp;}void update(char *str){int k,j,l1,l2;l1 = (strlen(str)+1)/2;l2=strlen(str);for(k=0,j=l1-1;k<j;k++,j--){ if(islower(str[k]))
swap(str[k],str[j]);}for(k=l1,j=l2-1;k<j;k++,j--){ if(isupper(str[k]))
swap(str[k],str[j]);}}void main(){char data[100]={"bEsTOfLUck"};cout<<"Original Data : "<<data<<endl;update(data);cout<<"Updated Data "<<data;}
Q5. Find output of the following program segment:int A[][4] = {{11,21,32,43}, {20,30,40,50}};for (int i = 1; i<2; i++)for (int j = 0; j<4; j++)
cout<<A[i][j]<<"*\n";
4
Q6. Find output of the following program segment:int a = 5;void demo(int x, int y, int &z){ a += x+y;
z = a+y;y += x;cout<<x<<'*'<<y<<'*'<<z<<endl;
}void main(){ int a = 3, b = 4;
demo(::a,a,b);demo(::a,a,b);
}
Q7. Find the output of the following program:#include<iostream.h>#include<conio.h>#include<ctype.h>class Metro{ int Mno,TripNo,PassengerCount;public:Metro(int Tmno=1){ Mno=Tmno;TripNo=0;PassengerCount=0;}void Trip(int PC=20){ TripNo++;PassengerCount+=PC;}void StatusShow(){ cout<<Mno<<":"<<TripNo<<":"<<PassengerCount<<endl;}} ;
void main(){ Metro M(5),T;
M.Trip();T.Trip(50);M.StatusShow();M.Trip(30);T.StatusShow();M.StatusShow();
}
Q8. Find the output of the following program: 2#include<iostream.h>#include<conio.h>
5
#include<ctype.h>typedef char Str80[80];void main(){clrscr();char *Notes;Str80 Str="vR2GooD";int L=6;Notes=Str;while(L>=3){ Str[L]=(isupper(Str[L])?tolower(Str[L]):toupper(Str[L])) ;cout<<Notes<<endl;L--;cout<<L;Notes++;
cout<<Notes;}
}
Q9. Find the output of the following program#include<iostream.h>#include <ctype.h>void ChangeIt (char Text[], char C){for (int K=0;Text [K]!='\0' ;K++){ if (Text[K] >='F' && Text[K] <='L')
Text[K]=tolower(Text[K]);else if (Text[K]=='E' || Text[K]=='e')
Text[K]=C;else if (K%2==0)Text[K]=toupper(Text[K]);elseText[K]=Text[K-1];}}void main( ){ char oldText[ ]= "Click@CAreeR2013" ;ChangeIt (oldText,'%');cout <<"New TEXT:"<<oldText<<endl;}
Q10. In the following program, find the correct possible output(s) from the options and justifyyour answer:
#include <iostream.h>#include <stdlib.h>#include <string.h>struct card { char suit[10];int digit; };
6
card cards[52]; // Allocate Memoryvoid createdeck(){char temp[][10] = {"Clubs","Spades","Diamonds","Hearts"};int i,m=0,cnt=1;for(i=1;i<=52;i++){ strcpy(cards[i].suit,temp[m]);
cards[i].digit=cnt;cnt++;if(i % 13 == 0){ m++;cnt=1; }
}}card drawcard(int num){int rndnum;randomize();rndnum = random(num)+1;return (cards[rndnum]);}void main(){ createdeck();
card c;c = drawcard(39);if(c.digit > 10 || c.digit == 1){ switch(c.digit)
{ case 11: cout<<"Jack of "; break;case 12: cout<<"Queen of "; break;case 13: cout<<"King of "; break;case 1: cout<<"Ace of ";
}}elsecout<<c.digit<<" of ";cout<<c.suit;}
Outputs:i) Kind of Spades ii) Ace of Clubsiii) Ace of Diamonds iv) Queen of Hearts
Q11. Observe the following program and find out, which output(s) out of (i) to (iv) will not beexpected from the program? What will be the minimum and the maximum value assigned to thevariable Chance?#include<iostream.h>
#include<stdlib.h>void main( ){ randomize( );int Arr[ ]={9,6},N;
7
int Chance=random(2)+10;for(int I=0; I<2;I++)
{ N=random(2);cout<<Arr[N]+Chance<<”*”;}
}(i) 9*6*(ii) 19*17*(iii)19*16*(iv)20*16*
Q12.Answer the questions (i) and (ii) after going through the following program:class Match{ int Time;
public:Match() //Function 1{Time=0;cout<<”Match commences”<<end1;
}void Details() //Function 2
{cout<<”Inter Section Basketball Match”<<end1;}
Match(int Duration) //Function 3{Time=Duration;cout<<”Another Match begins now”<<end1;
}Match(Match &M) //Function 4
{Time=M.Duration;cout<<”Like Previous Match ”<<end1;
}};
i) Which category of constructor - Function 4 belongs to and what is the purpose ofusing it?
ii) Write statements that would call the member Functions 1 and 3
Q13. Answer the questions (i) and (ii) after going through the following class:class Travel
{ int PlaceCode ; char Place[20];float Charges;public: Travel( ) //Function 1{ PlaceCode=1; strcpy (Place,”DELHI”); Charges=1000;}void TravelPlan(float C) //Function 2
{ cout<<PlaceCode<<”:”<<Place<<”:”<<Charges<<endl;}~Travel( ) //Function 3{ Cout<<”Travel Plan Cancelled”<<endl;
8
}Travel (int PC,char P[ ],float C) //Function 4{ PlaceCode=PC; strcpy (Place,P);Charges=C;}};i) In Object Oriented Programming, what are Function 1 and Function 4combined together referred as?ii) In Object Oriented Programming, which concept is illustrated by Function 3?When is this function called/invoked?
Q 14.Define a class TAXPAYER in C++ with following description:Private members :
Name of type stringPanNo of type stringTaxabincm (Taxable income) of type floatTotTax of type doubleA function CompTax( ) to calculate tax according to the following slab:Taxable Income Tax%
Up to 160000 0>160000 and <=300000 5>300000 and <=500000 10>500000 15
Public members: A parameterized constructor to initialize all the members A function INTAX( ) to enter data for the tax payer and call function CompTax( )
to assign TotTax. A function OUTAX( ) to allow user to view the content of all the data members.
Q15. Define a class ELECTION with the following specifications. Write a suitable main ( )function also to declare 3 objects of ELECTION type and find the winner and display thedetails.
Private Members :Data : Candidate_Name , Party , Vote ReceivedPublic members :Functions : Enterdetails ( ) – to input dataDisplay ( ) – to display the details of the candidatesWinner ( ) – To display the details of the winner through the object aftercomparing the votes received by three candidates.
Q16. Define a class Stock in C+ + with the following description:Private Members
ICode of type integer (Item Code) Item of type string (Item Name) Price of type float(Price of each item)
9
Qty of type integer (quantity in stock) Discount of type float (Discount percentage on the item) A member function FindDisc( ) to calculate discount as per the following rule:
If Qty<=50 Discount is 0If Qty (51 and100) Discount is 5If Qty>100 Discount is 10
Public Members: A constructor to assign all values with 0 and null respectively A function Buy( ) to allow user to enter values for ICode, Item, Price, Qty and call
function FindDisc( ) to calculate the discount. A Function ShowAll( ) to allow userto view the content of all the data members.
Q17. Define a class batsman with the following specifications:Private members
bcode integer typebname (20 characters)innings,notout, runs integer typebatavg it is calculated according to the formula :
batavg= runs/(innings-notout)calcavg( ) function to calculate batavg.
Public membersreaddata( ) function to accept values for bcode, name, innings, notout and
invokem the function calcavg( )displaydata( ) function to display data members on the screen.
Q18. Define a class BALANCED_MEAL in C++ with following description:Private Members:
Access_no IntegerFood_Name String of 25 charactersCalories IntegerFood_type StringCost FloatAssignAccess( ) Generates random numbers between 10 and 99 and return it.
Public Members A function INTAKE( ) to allow the user to enter the values of Food_Name,
Calories, Food_type, cost and call function AssignAccess( ) to assign Access_no. A function OUTPUT( ) to allow user to view the content of all the data members, if the
Food_type is Fruit. Otherwise display message, “Display only for fruit”.
Q19. Define a class REPORT with the following specification.Private data:Adno 4 digit admission numberName 20 charactersMarks an array of floating point valuesAverge average marks obtained
10
Getavg() to compute the average obtained in five subjectsPublic data:Readinfo() funtion to accept values for adno,name,marks and Invoke the function getavg()Displayinfo() function to display all data members on the screen.
Q20. Define a class named DRAMA in C++ with the following description
Private membersSHOW_NO integerNAME_OF_THE_DRAMA Array of characters (String)DAY integer (Total number of days the same drama is shown)DAILY_COLLECTION floatTOTAL_COLLECTION floatPublic Membersinput_data : A user defined function to read an object of ENTRY typeprint_data : A function to display the details of an objectupdate_data: A function to update the total collection and daily collection once theday changes. Total collection will be incremented by daily collection and dailycollection is made Zero
Q21. Define a class Departmental with the following specification : Private datamembers
Prod_name string (45 charactes) [ Product name]Listprice longDis_Price long [ Discount Price]Net long [Net Price ]Dis_type char(F or N) [ Discount type]
Cal_price() – The store gives a 10% discount on every product it sells. However at the time offestival season the store gives 7% festival discount after 10% regular discount. The discounttype can be checked by tracking the discount type. Where ‘F’ means festival and ‘N’ meansNon- festival .The Cal_price() will calculate the Discount Price and Net Price on the basis of thefollowing table.
Public membersConstructor to initialize the string elements with “NULL”, numeric elements with 0 andcharacter elements with ‘N’Accept() - Ask the store manager to enter Product name, list Price and discount type . Thefunction will invoke Cal_price() to calculate Discount Price and Net Price .
Product Name List Price(Rs.)Washing Machine 12000Colour Television 17000Refrigerator 18000OTG 8000CD Player 4500
11
ShowBill() - To generate the bill to the customer with all the details of his/her purchase alongwith the bill amount including discount price and net price.
Q22. Define a class SUPPLY in C++ with following description:Private Members:• Code of type integer• FoodName of type string• Sticker of type string• FoodType of type string• A member function GetType() to assign the following values for FoodType as per the givenSticker:
Sticker FoodType
GREEN VegetarianYELLOW Contains Egg
RED Non-Vegetarian
Public Members:• A function FoodIn ( ) to allow user to enter values for Code, FoodName, Sticker and callfunction GetType ( ) to assign respective FoodType.• A function FoodOut ( ) to allow user to view the content of all the data members..
Q23. Harshit has just started working as programmer in the WORLD SOFTWARE Company. Inthe company, he has got his first assignment to develop a small C++ module to find the smallestnumber out of a given set of numbers stored in a one dimensional array. Somehow he hascommitted a few logical mistakes while writing this code and so he is not getting the desiredresult from the code. Find out the mistakes and correct this C++ code so that it provides thedesired result (do not add any new statement in the code). Underline each correction made:
int SMALLFIND(int ARR,int Size) // Statement 1{int SMALL=ARR[1]; //Statement 2for (int C=2;C<Size;C++) //Statement 3if (ARR[C]>SMALL) //Statement 4ARR[C]=SMALL; //Statement 5return SMALL; //Statement 6
}
Q24. Define a class Train in C++ with following description:Private Memberssrc of type stringTnm of type stringdest of type stringcharges of float• A member function Getdata to assign the following values for Charges
dest chargesMumbai 1000,Chennai 2000Kolkatta 2500.
12
Public members A parameterized constructor to initialize the data members. A function InputData() to allow the user to enter the values A function displaydata() to display all and call getdata function
Q25. Consider the following class counter:class counter{ protected :
unsigned int count;public :counter()
{ count = 0; }void inc_count(){ count++; }int get_count(){ return count; }
};Write code in C++ to publically derive another class new_counter from class counter.Class new_counter should have the following additional function members in the publicvisibility mode:(i) A parameterized constructor to initialize the value of count to the value of parameter.(ii) Reset() to set the value of data member count to 0.(iii) dec_count() to decrease the value of data member count by 1.
Q26. Answer the questions (i) to(iv) based on the following code :class Dolls{ char Dcode[5];protected:float Price;void CalcPrice(float);public:Dolls();void DInput();void DShow();};class SoftDolls:public Dolls{ char SDName[20];float Weight;public:SoftDolls();void SDInput();void DShow();};class ElectronicDolls:public Dolls{ char EDName[20];char BatteryType[10];int Batteries;
13
public:ElecronicDolls();void EDInput();void EDShow();};(i) Which type of Inheritance is shown in the above example?(ii) How many bytes will be required by an object of the class ElectronicDolls ?(iii) Write name of all data members accessible from member function of the class SoftDolls.(iv) Write names of member functions accessible by an object of the class ElectronicDolls?
Q27. class Trainer{ char TNo[5],Tname[20],specialization[10];int Days;protected :float Remuneration;void AssignRem(float);public:Trainer();void TEntry();void TDisplay();};class Learner{char Regno[10],LName[20],Program[10];protected:int Attendance,grade;public:Learner();void LEntry();void LDisplay();};class Institute: public Learner, public Trainer{ char ICode[10],IName[20];public:Institute();void IEntry();void IDisplay();};(i) Which type of inheritance is depicted by above example?(ii) Identify the member function(s) that cannot be called directly from the objects of classInstitute from the followingTEntry()LDisplay()IEntry()(iii) Write name of all member(s) accessible from member functions of class institute.(iv)If class institute was derived privately from class Learner and privately from class Trainer,then name the member function(s) that could be accessed through Objects of class Institute.
1
NEW ERA PUBLIC SCHOOL
Holiday Homework (2017-18)
Class- XII
Subject- Economics
General Instructions:
i. The assignment is divided in two parts. Section A - textual exercise and Section B – Project work. The questions given in the assignment should be answered in the notebook.
ii. Very short answer type questions carrying ONE mark each should be answered in one sentence.
iii. Short answer type questions carrying THREE or FOUR marks each should be answered in not more than 70 words.
iv. Long answer type questions carrying SIX marks each should be answered in not more than 100 words.
v. Answers should be brief and to the point and the above word limits should be adhered to as far as possible.
vi. Questions marked with an are HOTS questions.
vii. Questions indicated as ‘VBQ’ are Evaluation questions.
SECTION - A
TEXT BASED QUESTIONS
CHAPTER 1 -INTRODUCTION TO M ICRO ECONOM ICS
VERY SHORT ANSWER TYPE QUESTIONS - 1 MARK Q1. State the two characteristics of economic resources which give rise to economic problem.
Q2. State any one point of difference between positive and normative economics.
Q3. What does concavity of PPC indicate?
Q4. Define the term ‘opportunity cost’.
VBQ. What economic value is realised through the ‘skill India campaign’ in context of production
possibilities? SHORT ANSWER TYPE QUESTIONS - 3 OR 4 MARKS
Q1. What will be the likely impact of large scale inflow of foreign capital in India on the
production possibility curve and why?
2
VBQ. The government increases allocation of funds to MGNREGA to solve the problem of large
scale unemployment in India. What is the economic value of this decision in context of PPC?
Q3. Explain the central problem of ‘For whom to produce’ in an economy. Q4. ‘An economy produces goods and services in such a manner that it always operates on the
PPC.’ Defend or refute.
Q5. An economy produces two goods A and B.
a) Find the marginal rate of transformation from the given information.
b) Comment on the shape of the PPC along with its reason.
Output of Good-A Output of Good-B
100 0
80 10
60 20
40 30
20 40
0 50
CHAPTER 2 - CONSUM ER EQUILIBRIUM
VERY SHORT ANSWER TYPE QUESTIONS - 1 MARK Q1. What does the slope of budget line indicate? Q2. What do you mean by the term ‘monotonic preference’? Q3. What is the value of total utility at the point of satiety?
Q4. What is the impact of diminishing marginal rate of substitution on the slope of
an indifference curve?
Q5. Write ‘true’ or ‘false’ with a reason.
i. A consumer attains equilibrium when MUx = MUy for two goods X and Y.
ii. Total utility falls with a fall in the value of marginal utility.
iii. A consumer is in equilibrium where indifference curve is equal to the budget line.
SHORT ANSWER TYPE QUESTIONS - 3 OR 4 MARKS
Q1. Explain the relationship between total utility and marginal utility with the help of a
diagram
.
Q2. Two indifference curves never intersect each other. Explain
3
Q3. A consumer consumes only two goods A and B and is in equilibrium. Show that the law of
demand operates for Good A when its price changes with the help of utility analysis.
Q4. Explain the conditions which determine the number of units of a commodity that a
consumer will buy at a given price. Q5. A consumer consumes only two commodities X and Y whose prices are ₹ 6 and ₹ 3 per unit
respectively. If the consumer chooses a combination of two goods with MUx = 3, MUy = 1, is
the consumer in equilibrium? Give reasons. What will a rational consumer do under this
situation? Explain using cardinal analysis.
LONG ANSWER TYPE QUESTIONS - 6 MARKS Q1. For a consumer to be in equilibrium Marginal rate of Substitution must be equal to the
ratio of prices of the two goods? Do you agree? Is this sufficient condition to ensure
equilibrium?
NUMERICALS
Q1. Complete the following table
Units
Consumed
1 2 3 4 5 6
TU 9 __ __ 27 __ 27
MU __ 7 6 __ 2 __
Q2. The following is the utility schedule of a person
Units consumed 1 2 3 4 5
MU (in utils) 100 90 80 70 60
Suppose price of commodity is ₹ 8 and MU of ₹ 1 is 10 utils. How many units will a
consumer consume? Why? Q3. Suppose that a consumer has the MU
x and MU
y as given in the table below. His money
income is ₹ 10, Px = ₹ 2 and Py = ₹ 1 . How many units of X and Y would the consumer
consume to be in equilibrium?
Units consumed 1 2 3 4 5 6
MUx (in utils)
14 12 11 10 9 8
MUy (in utils) 13 11 10 8 7 6
4
Q4. A consumer consumes only two goods X and Y. Her money income is ₹ 48 and the prices
of goods X and Y are ₹ 4 and ₹ 2 respectively.
a. Can the consumer afford a bundle with 8 units of X and 10 units of Y? Explain.
b. What will be the value of MRSxy when the consumer is in equilibrium? Explain.
CHAPTER 8- GOVERNMENT BUDGET AND THE ECONOMY
VERY SHORT ANSWER TYPE QUESTIONS - 1 MARK
Q1. State any two examples of non-debt capital receipts.
Q2. Give any one point of difference between direct tax and indirect tax?
Q3. Which budgetary policy is used during inflation in the economy?
*Q4. Government provides subsidy on khadi products in the economy. Which economic value
is reflected in this decision of the government?
Q5. Define the term ‘surplus budget’.
SHORT ANSWER TYPE QUESTIONS - 3 OR 4 MARKS
Q1. What is the basis of classifying government receipts into revenue receipts and capital
receipts?
*Q2. Fiscal deficit is always inflationary in nature. Do you agree? Give reasons in support of
your answer.
Q3. Categorise the following government receipts into revenue and capital expenditure. Give
reasons for your answer.
(i) Repayment of loans
(ii) Construction of metro in Delhi.
*Q4. Can there be a fiscal deficit without a revenue deficit? How?
VBQ. Demonetisation of currency has helped in reducing revenue deficits in the government
budget. Elucidate.
NUMERICALS
Q1. Calculate revenue deficit, fiscal deficit and primary deficit.
ITEMS (₹ in crores)
i. Revenue receipts 17,750
ii. Revenue expenditure 22,250
5
iii. Capital receipts (net of borrowing) 20,000
iv. Capital expenditure 28,000
v. Borrowings 12,500
vi. Interest payments 5,000
Q2. A government budget shows primary deficit of ₹ 14,400 crores. The revenue expenditure
on interest payment is ₹ 400 crores. Calculate the fiscal deficit.
COMPREHENSIVE QUESTION
Given below is an article from a leading newspaper. Answer the following questions based on the
given article.
Q1. What is the ‘Ujjwala’ scheme?
*Q2. The expenditure incurred by the Government on schemes like Ujjwala can be categorised as
‘revenue expenditure’. Defend or refute.
*Q3. What can be said about the elasticity of demand for LPG cylinders versus that of toys?
Explain.
VBQ. Explain the objective of the government budget that is being fulfilled through this scheme?
VBQ. What will be the likely impact of implementing this scheme on the PPC of India? Explain.
6
SECTION -B
PROJECT WORK
Student should choose any one topic as suggested by CBSE and submit the first draft
(handwritten or typed) on July 03, 2017 containing:
Introduction (Two pages)
Meaning and definition with suitable examples (One page)
Research articles on the topic (8 – 10 articles with facts, figures, graphs, pictures and
cartoons relevant to the topic)
Source of information
CBSE Guidelines for Project Work in Economics (Class XII)
• Students are supposed to pick any ONE of the two suggested projects.
I. Project (Option One) : What’s Going Around Us
The purpose of this project is to study the scope and repercussions of various Economic events and
happenings taking place around the country and the world. (eg. The Dynamics of the Goods &
Services Tax and likely impacts on the Indian Economy or the Economics behind the
Demonetisation of 500 and 1000 Rupee Notes and the Short Run and Long Run impact on the
Indian Economy or The impact of BREXIT from the European Union etc.)
Scope of the project: Student may work upon the following lines:
• Introduction
• Details of the topic
• Pros and Cons of the economic event/happening
• Major criticism related to the topic (if any)
• Students’ own views / perception / opinion and learning from the work
• Any other valid idea as per the perceived notion of the student who is actually working and
presenting the Project-Work.
Marking Scheme: Marks are suggested to be given as –
S. Heading Marks
7
No. Allotted
1. Relevance of the topic 3
2. Knowledge Content/Research
Work 6
3. Presentation Technique 3
4. Viva 8
Total 20 Marks
Suggested List
1. Disinvestment policy
2. Demonetisation
3. Goods and Services Tax Act
4. Inflation
5. Any other topic
II. Project (Option Two): Analyse any concept from the syllabus
The purpose of this project is to –
• Understand the concepts of Economic theory and application of the concept to the real life
situations.
Scope of the project:
Following essentials are required to be fulfilled in the project.
Explanation of the concept:
- Meaning and Definition
- Application of the concept
- Diagrammatic Explanation (if any)
- Numerical Explanation related to the concept etc. (if any)
- Students’ own views/perception/ opinion and learning from the topic.
8
Marking Scheme: Marks are suggested to be given as –
S. No. Heading Marks
Allotted
1. Relevance of the topic 3
2. Knowledge Content/Research
Work 6
3. Presentation Technique 3
4. Viva 8
Total 20 Marks
Suggested List
1. Price Determination and its application
2. Imperfect market forms - Oligopoly or Monopolistic Competition
3. Central Bank and its functions
4. Government Budget & its Components
5. Any other topic
1
NEW ERA PUBLIC SCHOOLHoliday Homework (2017-2018)
Class: XIISubject: Business Studies
General instruction:All the questions must be attempted neatly in the business studies class register only.
Marketing Management
1. Boom Udyog, a car manufacturer, started its business with Boom-800 and slowly launchedBoom -1000, Zoom X etc. and offered various services like after sale service, availability ofspare parts etc. Identify the element of marketing mix referred here.
2. Hindustan United Limited is launching Yum instant noodles as part of its strategy to expandthe Yum brand, which is so far restricted to soups and a ready to cook range in India. HUL istrying to enter the market by differentiating itself by rolling out Chinese variants of instantnoodles instead of the masala flavor that constitutes the bulk of the segment, and with a price tagof ₹15 a packet compared to its rivals charging ₹10-₹12 for a similar sized pack.The above para describes the combination of variables used by HUL to prepare its marketoffering. Identify & explain the variables.
3. Design a label for ‘Fruit juice’ and ‘Hair Oil’.
4. ‘Various tools of communication are used by the marketers to promote their products’.(i) Name and explain the most commonly used non-personal tool to promote which is paid for bythe marketer.
(ii) Which tool of promotion will primarily be used for the following:(a) To promote or protect a company’s image or its individual products.(b) An existing product meant for mass usage by literate people.(c) To introduce a new product to a particular class of people through door-to-door visits.
5. Identify the marketing management philosophies used by marketers in the following cases:
a. A detergent manufacturing company gives more quantity of detergent at the sameprice.
b. An artificial jewellery manufacturing company uses metal instead of glass toenhance durability of its products.
c. A chips manufacturer makes its chips available at almost all the retail outlets ofthe city.
d. A book-seller sells the books after getting them bound.e. A pharmaceutical company launches pain-killer sprays to facilitate convenient use
and fast relief.f. A large-scale retail outlet gives goods to customers in carry bags made of paper,
jute or cloth only.
2
6. Collect and paste two labels each, for the following generic product categories:
1. Shampoo2. Chocolate3. Soap4. Chips
7. Mansi is a shoe manufacturer for school students. She decided to maximize her profit byproducing and distributing at large scale and reducing the average cost of production.Identify the philosophy adopted by Mansi.
8. Explain the following sales promotion activities:
(i) Refunds
(ii) Instant draw and assigned gifts
(iii) Full finance
(iv) Sampling
9. It is one of the elements of marketing mix which contains one of the most important decisionsthat a marketer has to take to promote sales. This decision was taken by Mr.Sundar, the salesmanager of C ltd, which facilitated product identification for customers, and ensured quality andsafety norms. It also built up their confidence in the product and helped to increase their level ofneed satisfaction as the consumers have a right against marketing of such goods and services thatare harmful to life and health.
a. Identify the element of marketing mix and the decision taken by Mr.Sundar that isone of the components of this decision.
b. Name the other elements of marketing mix.c. Identify the consumer rights being mentioned above.d. Identify the value being emphasized by providing quality products to consumers.
10. Crackers ltd, a firm manufacturing crackers launched some new products on the eve ofDiwali in the market and it attracted many buyers. To meet the increased demand, the companyemployed children from the neighboring villages. Though this product was in great demand,appropriate safety warnings were not mentioned in the labels that led to many accidents.
a. Identify and explain the product related decision that was not taken into consideration bythe company.
b. State any 2 values that Crackers Ltd violated.
Consumer Protection
11. Rajiv, a vegetarian was traveling in Rajdhani Express was served food and later he found outthat it had a non-vegetarian content. His sentiments were hurt. Will Rajiv be able to claimcompensation? Which right of the consumer is violated?
3
12. A shopkeeper sold you some spices, claiming that those were pure. Later a laboratory testshowed that those were adulterated. What precautions should you have taken before buying andwhat remedies are available to you for the wrong act?
13. Rohit went to purchase his class XII reference book from Mangal Book Store. He was askedto pay more than the MRP because of the shortage of this reference book with the store. Being aregistered member of a consumer organization named Common Cause in Delhi, he denied for itand also made a complaint against this practice.
a. Identify the value which the owner of Mangal Book store has ignored.b. State any five points indicating the role played by Consumer Organizations and NGOs
for the protection and promotion of interest of consumers.
14.Mukul purchased a house for ₹30 lakhs from a housing company and found and found someelectrical defects in it. Despite many complaints the defect was not rectified. He filed acomplaint in the state commission but was not satisfied with the order. Where can he appeal andin how many days?
15. Enlist various remedies available to consumer, according to Consumer Protection Act, 1986.
Financial Management
16. Financial planning strives to achieve twin objectives. List them.
17. What is meant by Financial Management? State the primary objective of FinancialManagement.
18. Explain the term ‘Trading on equity’. Why, when and how it can be used by a company?
19. Vanshika Handlooms Ltd. is a company manufacturing home furnishing products. It has beenconsistently earning good profits for many years. This year too, it has been able to generateenough profits. There is availability of enough cash in the company and it has good opportunitiesfor growth in future. It is a well-managed organization and believes in quality, equal employmentopportunities and good remuneration practices. Many of its shareholders prefer to receive aregular income from their investments. The company has taken a heavy loan from ICICI Bankand is bound by certain restrictions on the payment of dividend according to the terms of the loanagreement.
The above discussion about the company leads to various factors which decide how much profitshould be retained and how much has to be distributed by the company. By quoting lines fromthe above discussion, identify and explain any four such factors.
20. The directors of a manufacturing company are thinking of issuing ₹20, 00,000 additionaldebentures for the expansion of their production capacity. This will lead to an increase in debtequity ratio from 2:1 to 3:1. What are the risks involved in it? What factors other than risk shouldthe directors keep in mind before taking the above decision?
1
NEW ERA PUBLIC SCHOOL Holiday Homework (2017-2018)
Class - XII
Subject -Accountancy
Instructions:
(i) The holiday homework contains chapter wise short answers questions and long
answers questions.
(ii) The students are required to attempt them in a separate register.
(iii) Show your working notes clearly.
Chapter: Partnership--Fundamentals
Q.1. Ram (aged 30 years), Mohan (aged 27 years) and Manoher (aged 16 years) decided to
form a partnership firm. Is the formation of partnership firm valid? Give reason.
Q.2. During the year ending 31st March,2017 a partner withdraws `6,000 in the beginning
of every month starting from July1,2016. What will be the average period for which
interest on drawings will be calculated?
Q.3. What are the provisions to be followed according to Indian Partnership Act,1932 in
the absence of a partnership deed?
Q.4. Manu, Anu and Kanu were close friends and partners in a firm. Anu advanced
`45,000 as loan to the firm on 1st April,2016. If the profits for the year ending 31st
March,2017 were`12,000, give a Journal entry for the distribution of divisible profits
among the partners.
Q.5. Anita & Beena are partners. The net profit earned during the year is `6,04,000.
Interest on partners’ drawings is `8,000. Anita’s salary is `8,000 per quarter. Beena is
paid an annual commission. The net divisible profit as per profit & Loss
Appropriation is `5,00,000. Calculate the amount paid to Beena as commission.
Q.6 A partnership Deed provides for payment of interest on capital but there was a loss
instead of profit during the year 2016-17. At what rate will the interest on capital be
allowed?
Q.7 If the partners’ capital accounts are fixed, where will you record the following items:
i) Salary to the partners
ii) Drawings made by a partner
iii) Interest on capital and
iv) Share of profit earned by a partner.
2
Q.8 A and B formed a partnership on 1st April,2016. They agreed that out of profits:
(a) A should receive a salary of `1,000 per month;
(b) Interest on capitals should be allowed @ 6% p.a. and
(c) Remaining profits be divided equally.
A contributed a capital of `1,00,000 on 1stApril, 2016 but B brought in his capital of
`2,00,000 on 1stJuly,2016. During the year, the drawings were: A `30,000 and B
`40,000. Profits for the year ended
31st March 2017 before the above noted salary and interest were `1,00,000. Pass the
necessary Journal entries for the above transactions.
Q.9 A, B and C are partners in a firm. On 1st April,2016, the balance in their capital
accounts stood at 4,00,000; 3,00,000 and 2,00,000 respectively. They shared profits in
the proportion of 5:3:2 respectively. A’s share of profits is guaranteed at not less than
12,500 p.a. The firm suffered losses of 10,000 during the year ended 31st March,2017.
Show the Journal entries for the distribution of profit or loss.
Q.10 A, B and C are partners in a firm sharing profits and losses in the ratio of 3:2:1
respectively with a guarantee of minimum profits to C for `15,000. The total profits
of the firm for the year ended on 31stMarch,2017 amounted `1,20,000. Any excess
payable to C on account of such guarantee shall be borne by B. Pass the necessary
Journal entries and Prepare a Profit and Loss Appropriation Account to show the
distribution of profits as per terms of the partnership deed.
Q.11. Find out the normal rate of return if the Super Profits are `25,000, Average Profits are
`75,000 and Goodwill of the firm is `50,000.
Q.12. The average net profit expected in future by G.Lal and Co. is `30,000 per year. The
average capital employed in the business by the firm is `2,00,000. The normal rate of
return on capital employed in a similar business is 10%. Calculate the goodwill of the
firm by:
(i) Super Profit Method on the basis of two years’ purchase and
(ii) Capitalisation of Super Profit Method.
Chapter: Reconstitution of Partnership: Change in Profit Sharing Ratio
Q1. X, Y and Z are partners sharing profits in the ratio of 5: 3 : 2. Calculate new profit-
sharing ratio and sacrificing ratio in each of the following cases:
Case 1. If Z acquires 1/5th share from X.
Case2. If Z acquires 1/5th share equally from X and Y.
Case 3. If X, Y and Z decide to share the future profits and losses equally.
3
Q.2. A, B and C were partners in a firm sharing profits in the ratio of 3:2:1. They admitted
D as a new partner for 1/8th share in the profits, which he acquired 1/16th from B and
1/16th from C. Calculate the new profit sharing ratio of A, B, C and D.
Q.3. Ram, Mohan and Geeta at present share profits and losses in the ratio of 5: 3 : 2. They
decide to share future profits and losses equally with effect from 1st April, 2016.
Goodwill of the firm has been valued at `1,80,000. Show Journal entries under each
of the following alternative cases.
Case 1. When no Goodwill appear in the books.
Case 2. When goodwill appears in the books of `1,80,000.
Q.4 X, Y and Z are partners sharing profits and losses in the ratio of 5: 3 : 2, decided to
share profits and losses equally with effect from 1st April, 2016. On that date, the
goodwill appeared in the books at `12,000. But it was revalued at `30,000. Pass the
necessary Journal entries.
Q.5. Ghanshyam, Shyam and Mohan are partners in a firm sharing profits and losses in the
ratio of 2:1:2respectively. Their fixed capitals were `3,00,000, `1,00,000 and
`2,00,000 respectively. The interest on capital for the year 2016 was credited to them
@ 10% p.a. instead of 12% p.a..
Showing your working notes clearly, pass the necessary adjusting Journal entry.
Q.6. Amit and Kajal were partners in a firm sharing profits in the ratio of 3:2respectively.
With effect from 1st March,2016, they agreed to share profits equally. For this purpose
the goodwill of the firm was valued at ` 60,000. Pass the necessary Journal entry.
Chapter: Admission of A Partner
Q1. State the reason of contributing for goodwill by a new partner at the time of his
admission.
Q2. A and B are partners sharing profits and losses equally. Z enters for 1/8th share which
he acquires in the form as half of it as gift from A and remaining equally from both.
Find A’s new share?
Q3. Pass the Journal entries for increase in the value of assets and decrease in the value of
liabilities in the Revaluation A/c?
Q4. At the time of admission of a partner where will you record ‘unrecorded investment’?
Q5. At the time of admission of a new partner, workmen’s compensation reserve was
appearing in the Balance sheet at `10,000. Give journal entry if workmen’s
compensation at the time of admission is estimated at `12,000.
4
Q6. Enumerate the matters that need adjustment at the time of admission of a new Partner.
Q7. Give the two circumstances in which Sacrificing Ratio may be applied?
Q8. Why is it necessary to revalue assets and reassess liabilities of a firm in case of
admission of a new partner?
Q9. Under what circumstances will the premium for goodwill paid by an incoming Partner
will not recorded in the books of accounts?
Q10. A and B share profits and losses in the ratio of 4:3respectively, they admit C with
3/7thshare;Of which he gets 2/7thshare from A’s share and 1/7thshare from B’s share.
What is the new profit sharing ratio?
Q 11 Aand B are partners sharing in the ratio of 3:2respectively. C is admitted. C gets his
3/20thfrom A’ share and 1/20thfrom B’s share. Calculate the new ratio and sacrificing
ratio.
Q.12. X and Y are partners in a firm sharing profit and losses in the ratio of 3:2
respectively.Z is admitted for 1/6thshare in profits. Z acquires his share from X and Y
in the ratio of 2:1respectively. Calculate the new profit sharing ratio of the partners.
Q. 13. A and B are partners in a firm sharing profits and losses in the ratio of
5:3respectively. A surrenders 1/5thof his share, whereas B surrenders 1/3rdof his share
in favour of C, a new partner. Calculate the new profit sharing ratio.
Q.14. A, B and C are partners sharing profits in the ratio of 3:2:1respectively. They admit
D for 1/6thshare. C would retain his old share. Calculate the new ratio of all the
partners.
Q.15. A and B are partners in a firm sharing profits and losses in the ratio of
3:2respectively.C is admitted as a new partner. A surrenders 1/5thof his share and B
2/5thof his share in favour of C. For purpose of C’s admission, goodwill of the firm is
valued at `75,000 and C brings his share of goodwill in cash which is retained in the
business books. Journalise the above transactions.
Q.16. Anubhav and Babita are partners in a firm sharing profits and losses in the ratio of
3:2respectively. On April 1, 2013, they admitted Deepak as a new partner for 3/13th
share in the profits. Deepak contributed the following assets towards his capital and
for his share of goodwill: Land` 90,000, machinery ` 70,000, stock ` 60,000 and
debtor ` 40,000. On the date of admission of Deepak, the goodwill of the firm was
valued at `5,20, 000.Record necessary Journal entries in the books of the firm. Show
your calculations clearly.
5
Q.17 A, B, C and D are partners sharing profits in the ratio of 3 : 3 : 2 : 2 respectively. D
retires and A, B and C decide to share the future profits in the ratio of 3 :2: 1
respectively. The Goodwill of the firm is valued at `3,00,000. Goodwill already
appears in the books at `2,25,000. Give the necessary Journal entries to record
Goodwill. Show your calculations clearly.
Q.18. A and B are partners with capitals of ` 26,000 and ` 22,000 respectively. They admit
C as partner with 1/4thshare in the profits of the firm. C brings `26,000 as his share of
capital. Give journal entry to record the goodwill on C’s admission.
Q.19Rajat and Ravi are partners sharing profits in the capital ratio. Their Balance Sheet as
at31st March, 2016 was as follows:
Liabilities ` Assets `
Creditors
Workmen Compensation
Reserve
Employees Provident Fund
Provision for doubtful debts
Capital A/cs:
Rajat 7,00,000
Ravi 3,00,000
12,000
50,000
18,000
40,000
10,00,000
11,20,000
Debtors
Bank
Stock
Machinery
Patent
Investment
Goodwill
2,00,000
60,000
1,80,000
6,10,000
10,000
20,000
40,000
11,20,000
Ramesh was admitted as a new partner on the following terms:
(i) He brings proportionate capital on the basis of total capital of new firm after all
adjustments.
(ii) Goodwill of the firm is valued at `40,000. Ramesh is admitted for ¼ share and unable to
bring his share of Goodwill in cash.
(iii) Claim on account of workmen compensation was `30,000.
(iv) Stock was undervalued by10%.
(v) Patents are valueless.
(vi) Investments are valued `30,000. Rajat and Ravi took over the investment at this value in
their profit sharing ratio.
Pass the necessary Journal entries and prepare Revaluation Account, Partner's Capital
Accounts and the Balance Sheet of the new firm.
Q.20. A & B were partners in a firm sharing profits in the ratio of 11:4respectively. C was
admitted as a partner for 1/5th share in the profits on 1st April,2016.
The Balance Sheet of A & B as at31st March ,2017 was as follows:
6
It was agreed that
i) C was to bring capital to the extent of 1/5th of the total capital of the new
firm&`1,50,000 for his share of goodwill, half of which was withdrawn by A & B.
ii) Building & Plant were to be depreciated by 20%.
iii) Provision for doubtful debts was to be increased by `200
iv) The Claim on account of Workmen’s Compensation was settled at`10,000.
Pass the necessary Journal entries and prepare the Revaluation Account, Partner’s Capital
Accounts & the Balance Sheet of the new firm.
Liabilities ` Assets `
Creditors
Bills Payable
Employees Provident
Fund
Workmen’s
Compensation Fund
Capitals
A 20,00,000
B 5,50,000
15,000
30,000
20,000
1,60,000
25,50,000
Bank
Stock
Debtors 30,000
Less :Provision.for
Doubtful debts 1,000
Plant
Land
Building
17,000
29,000
29,000
3,00,000
10,00,000
14,00,000
27,75,000 27,75,000
NEW ERA PUBLIC SCHOOLHoliday Homework (2017-18)
Class: XIISubject: History
General Instructions:Students should prepare individual dummy projects of about 30-35 pages for CBSEassessment. The project should be prepared according to the guidelines already issued inclass.
The project should include the following sections:
1. Cover page- Displaying the topic.2. Acknowledgement – Thanking the people or institution that has helped you in
completion of your project.3. Certificate- Mentioning your name and the name of teacher under whose supervision
you have completed your work.4. Index- Giving the list of contents with page numbers.5. Introduction- Giving the purpose and importance of a study.6. Chapters- Give a title to each chapter along with details and pictures.7. Conclusion- What do you learn from your study?8. Bibliography- Showing the sources from where you have gathered information.
Present the following in your project report: Data/Statistical Analysis/Map work Analysis/Explanation and interpretation
Bibliography
Students can use primary as well as secondary sources for the research work. Choose any oneof the following topics:
Town planning and artefacts of the Harappan Civilisation
Mahabharata through the eyes of a reader. India – Through the Eyes Of Travellers.
Understanding the Bhakti – Sufi Movement in India Depiction of life during Mughal period through paintings
The Partition in 1947- not just division of territory but also hearts. Buddhism and Jainism. Revolt of 1857.
Students have to be prepared to give viva on the project in the class.Note-
A summary/synopsis (one page) of the project has to be prepared covering:a) The objective statementb) Their observations and findings
The project must be neat and well presented and must be completely hand-written.
No whiteners to be used or written matter to be crossed out. In case of any mistake,re-do the sheet.
Do not number sheets or write dates unless so instructed by your teacher.Colour illustrations, maps, charts may be hand drawn or printed (if it is relevant forany aspect of your project) are welcome to make them look attractive.
NEW ERA PUBLIC SCHOOLHoliday Homework (2017-18)
Class: XIISubject: Informatics Practices
General Instructions: Do the following questions in NetBeans and MYSQL server, take ascreenshot of the running windows and copy the coding(not the default one) on a word document.Bring them in the form of a hard copy in practical file after summer break.
1. Program to accept first name and last name in two different jTextFields and on click ofjButton display full name in jLabel, jTextfield, output window and message dialog box.
2. Design a simple calculator (+,-,*, /, %).Accept two numbers using jTextFields, calculateand display result in a jLabel on clicking of different buttons for different mathematicaloperations.
3. Design a simple calculator (+,-,*, /, %).Accept two numbers using inputdialogbox, calculateand display result in messageDialog on clicking of different buttons for differentmathematical operations.
4. Program to accept sales amount in a JTextField and calculate commission as per the given saleamount criteria:SALES MADE COMMISSION30001 and above 15%22001 - 30000 10%12001 - 22000 7%5001 - 12000 3%0 - 5000 0
Display commission in JTextField. Also keep clear and exit buttons to clear the textfields and exit from the application.
5. Program to accept total marks in a JTextField, calculate and display grade of the student in adialog box.
6. Program to find the sum and product of digits of a number entered by the user (e.g. If a userhas entered 234 you should display sum=9 and product=24).
7. Program to display factorial of a number entered by the user in a text field.8. Calculate and display the discount of an item on the basis of category of electric appliances
(displayed using radio buttons)3% electrical appliances2% electrical gadget1% stationaryIf it’s cost below 1000, 5% discount otherwise 10% extra discount on the total price . Acceptprice and quantity of items purchased in text Fields and display discounted price in a jLabel.
9. Design an application that computes the total calories in a meal, based on grams ofCarbohydrates, fats and proteins in the meal. 1 gm of Carbohydrates provides 4 calories, 1 gmof fats provides 9 Calories and 1 gm of proteins provides 4 Calories. Grams are entered in textboxes and total calories should be displayed on Label.
10. A computerized ticket counter of an underground metro rail station charges for each ride atthe following rate:
AGE AMOUNT/HEAD18 or above 15
5 or above 13Kids below 5 NIL
Calculate the total bill fare according to the age and number of persons entered.
Note : take a screen shot of successful run of following queries:
11. Write the following mysql queries based on the following table:
EMP table having following fields:Empno integerEnamevarchar(20) SaldecimalJobvarchar(10)Hiredatedate CommissiondecimalManager_nointeger Deptnointeger
A. Display EmpNo and EName of all employees from table Emp.
B. Display Ename, Sal and Sal added with Comm from table Emp.
C. Display Ename joined with Job with heading “Employee”, Sal*12 as “Total Salary” fromtable Emp.
D. Display distinct Sal of employees from table Emp.
E. Show the Structure of table Dept.
F. Write a query to display EName and Sal of Employees whose salary is greater than orequal to 3000 from table Emp.
G. Write a Query to display employee name, salary and department number who arenot getting commission from table Emp.
H. Write a Query to display employee Number, name, sal and sal*12 as Annual Salary whosecommission is notNULL from table Emp.
I. Write a Query to display employee name and salary of those employees who don’t have theirsalary in the range of 1500 to 2000.
J. Write a Query to display name, job, salary, and HireDate of employees who are hired betweenFebruary 20,1991, and May 1, 1991. Order the query in ascending order of HireDate.
K. Write a Query to display the name and hire date of all employees who were hired in 1992.
L. Write a Query to display the name, job title and salary of employee who do not have manager.
M. Write a Query to display the name of employee whose name contains ‘M’ as first alphabet‘L’ as third alphabet.
N. Write a query to display the current system date.
O. Create a query that produces display in the following format
P. <Employee name> Earns $<salary> Monthly and working as <Job >.
Q. Write a query to add one column Email of data type VARCHAR and size 30 to the table EMP.
NEW ERA PUBLIC SCHOOL
Holiday Homework 2017-18
Class: XII
Subject: Multimedia and Web Technology
Instructions: Do the following questions in your Multimedia register only.
Attempt all the questions neatly.
1. Answer the following questions based on MS-Access.
a) Write the names of any two RDBMS.
b) Name the type of relationship which is created between two tables, if one table has only one
1matching record in other table.
c) Study the following data and answer the questions given below:
Table: Doctors
DocID DocName Department OPD_Days
101 M.Panday ENT TTS
102 G.P.Gupta Paed. MWF
201 C.K.Sharma Ortho MWF
Table: Patients
Pat_no PatName Department DocID
1 Neeraj ENT 101
2 Mohit Ortho 201
3 Ragini ENT 101
4 Mohit Paed. 102
5 Nandini Ortho 201
(i) What type of relationship exists between table Doctors and the table Patients?
(ii) Name the fields, which can act as the primary key and foreign key for the table Doctor
and the table Patients respectively.
2. Answer the following questions based on HTML:
a) Fill in the blanks in the HTML code to create a framed web page in the following format:
FileA.html
75% FileB.html FileC.html
45%
<HTML>
<FRAMESET ----- = "25%,*">
<FRAME ----- = "FileA.HTML">
<FRAMESET ----- = "45%,*">
<FRAME ----- = "FileB.html">
<FRAME ----- = "FileC.HTML">
</FRAMESET>
</FRAMESET>
</HTML>
b) Write the HTML code to generate a Web Page in the format given below :
Consider the following while writing the HTML code
Background of page is yellow
Title of the page is “gaming”
Text of whole document is verdana
Heading of the page is maroon and arial bold
Image used is “image1.jpg”
border of table is green and of size 2
background colour of table is white
Image used in the table is “war.jpg” and “call.jpg”
Horizontal line colour is red
Bottom link is “game.html”
3. Answer the following questions based on JavaScript:
a)
Observe the code segment given below and answer the questions that follow:
<SCRIPT LANGUAGE= "javascript">
var A,B,C;
A = (10*3)%(4/2);
B = 40%3;
if(!(B >= A))
C=5;
else
C = 10;
</SCRIPT>
a) Name any one relational operator and one logical operator used in the above code
segment.
b) Rewrite the statement : if(!(B >= A))without using the ! operator
b) A code to display the no. of characters of a string is written below. Fill in the blank to
complete it:
<script language=”javascript”>
var sometext = “Bye!”
document.write( (Sometext))
</script>
c) Write the equivalent script for the following code using for loop without effecting the output:
<SCRIPT LANGUAGE="Javascript">
var count=new Array();
i=0;
do
{
if(i%2 == 0)
count[i]=1; else
count[i]= i *10;
i=i+1;
}while(i<=5)
</SCRIPT>
d) Give the output of the following code segment:
<SCRIPT LANGUAGE="JavaScript">
var sum, a;
sum = 0;
a = 1;
do
{
sum = sum + a;
a = a+2;
}while(a<=8)
document.write(sum);
</SCRIPT>
e) Write the code to display a form along with the javascript as shown below. User should be able to
select a picture after clicking on browse button and when he presses “click” button, the picture
should be displayed.
Next the user should be able to enter value of image height and width and when he presses “apply”
button, the size of picture should change as shown:
4. Answer the following questions based on Communication and Network concepts:
a) Girish Ramanuj is an entrepreneur who has recently set up a new business. Girish 1needs to
create a lot of documents, presentations, databases and spreadsheets to maintain data and spread
his business. However, he does not have the money to purchase any of the proprietary software
which offers all these packages. Can you suggest what software can Girish use for which he has to
pay no licensing fee?
b) Write any two advantages of using optical fiber cable over coaxial cable and twisted pair cable.
c) Explain the following terms:
i. W3C
ii. GSM
iii. Protocol
d) An Organization has its offices in building A, B, C and D. Answer questions (i) to (iv) in context of
the following layout of the three offices:
Centre to Centre distances between different buildings are as follows:
Block A to Block B 100 m
Block A to Block C 70 m
Block A to Block D 20 m
Block B to Block C 150 m
Block B to Block D 120 m
Block C to Block D 140 m
(i) Suggest and draw the layout for a network, with proper justification to connect all the office.
(ii) Where would the following preferably be placed .
Hub/Switch
Repeater
(iii) Suggest the most suitable place to house the server for the organization with proper justification.
(iv) If the organization needs to link up to a branch office which is in a neighbouring city, (around 100
km distant) suggest the best type of cabling connection, from the building hosting the server, provided
price is not a factor.
NEW ERA PUBLIC SCHOOLHoliday Homework (2017-18)
Class: XIISubject: Physical Education
1. Select any game/sport of your choice (Basketball, Volleyball & Football) write thefollowing details:
a. History of the game/sportb. Latest General Rules & regulationsc. Dimensions/ Measurement of play fields and specifications of sports equipmentd. Fundamental Skills of the game/sporte. Related sports terminologiesf. Important tournamentsg. Sports Personalitiesh. Sports Awards
2. Draw a neat diagram of the field/court of your game/sport with all the dimensions.
3. Write about any 7 yogic asanas and their steps by step performance along with thebenefits of each. Paste good pictures of the asanas.
4. Mention the administration of AAHPER youth fitness test including the purpose,equipments required procedure and scoring of all the test items. (Take the help from thetext book).
5. Write about the techniques and measurements of the following track and field events:
a) Shot putb) Long jumpc) 100 metres
General Instructions
You are supposed to do the task in your PE practical file.
All the content must be hand written.
Make the best, innovative and creative file by collecting the data from newspapers / sports
magazines/ Internet.
Paste appropriate pictures related to the topics.
Make the diagrams wherever required.
d) 200 metrese) 4*100 metre relay
6. Draw a layout of Standard track of 400 metres stating all the dimensions and markings asper the IAAF.
7. Write about the following Indian Sports Awards:a. Arjun Awardb. Dronacharya Awardc. Rajiv Gandhi Khel Ratan Awardd. Dhyan Chand Award
NOTE: The practical file has to be submitted on the day the school re-opens, i.e. on 27.06.17. Learn and revise all the content of your file as there will be a written test.
Your File will be marked out of 30.
NEW ERA PUBLIC SCHOOLHoliday Homework (2017-18)
Class: XIISubject: Political Science
Instructions(1) All the questions to be answered in your class register.(2) Answer the questions as per the weightage of the questions.(3) Ques no 1-4 carry 2 marks.(4) Ques no 5-8 Carry 4 marks.(5) Ques no 9& 10 carry 5 marks.
Knowledge Based Questions
Q1. Write a short note on NATO.Q2. Name any two agreements signed by the two superpowers with respect to arms control
Strategy.Q3. Name the founder leaders of NAM.Q4.When was then Berlin wall built? What does it symbolize?
Understanding BasedQ5. Why did the super power need allies?Q6. How can you say that NAM is neither isolationism nor neutrality? Explain.Q7. Who was Boris Yeltsin? How was democracy and capitalism installed in Soviet Union?Q8. What is termed as ‘triangular conflict’ in Nepal’s struggle for democracy?
Application Based
Q9. ‘The First Gulf War revealed vast technological gap between the US military and thatof other States’. Comment.
Q10. Read the cartoon on page 57 and answer the following :(a) What does the cartoon refer to?(b) What is the importance of this policy?
NEW ERA PUBLIC SCHOOLHoliday Homework (2017-18)
Class: XIISubject: Psychology
CASE PROFILE
Do research on the topic that you have selected for your case profile. Developing a caseprofile would primarily involve the use of qualitative techniques, such as observation,interview, survey, etc. Some examples of topics for the case profile could be an individualwho has excelled in areas like sports, academics, music, etc. or having special needs likelearning disability, autism, Down’s syndrome, etc. or those with interpersonal socialproblems, i.e. poor body image, obesity, temper tantrums, substance abuse, not getting alongwith peers, withdrawn, etc. Use qualitative methods like observation and interview to collectinformation from as many sources as you can like parents, friends, teachers etc. Also usesome quantitative methods like various psychological tests to collect information regardingsubject’s psychological attributes like intelligence, aptitude, personality etc.
Suggested Format for Preparing a Case Profile
It is suggested that the case be developed in a narrative format along the following points:
1. Introduction
• A brief introduction of about one or two pages presenting the nature of the problem, itsincidence, likely causes, and possible counselling outcomes.
• A half page (brief) summary of the case.2. Identification of Data
• Name (may be fictitious)• Diagnosed Problem• Voluntary or Referral (i.e., by whom referred — such as teacher, parent, sibling, etc.)
3. Case History
• A paragraph giving age, gender, school attended, class (grade) presently enrolled in, etc.• Information about socio-economic status (SES) consisting of information aboutmother’s/father’s education and occupation, family income, house type, number of members
in the family— brothers, sisters and their birth order, adjustment in the family, etc.
• Information about physical health, physical characteristics (e.g., height and weight), anydisability/illness (in the past and present), etc.
• Any professional help taken (past and present), giving a brief history of the problem,attitude towards counselling (indicating the motivation to seek help, etc.).
• Recording signs (i.e., what is observed in terms of facial expressions, mannerisms, etc.) andsymptoms (i.e., what the subject reports, for example, fears, worry, tension, sleeplessness,etc.).
4. Concluding Comments
A summary of the case should be written in the end.
