NEW ERA PUBLIC SCHOOL Holiday Homework (2018-19)

Class X

Subject: English

Holidays are fun-filled days, no doubt. But all play and no work will take you nowhere.

Spend some time on the following to enrich yourself:

Q1. Write the summary of ‘Diary of a Young Girl’. Include important events chronologically

and conclude how the novel has inspired you. (word limit – 180 – 200)

Q2. The different characters in the novel ‘Diary of a Young Girl’include Anne Frank, Otto

Frank, Mrs. Van Daan, Peter Van Daan, Edith Frank, Margot Frank and Albert Dussel. Pick

out any two characters and write their character sketch in your own words highlighting their

important traits.

Q3. Choose any two poems from your prescribed English literature book and identify all the

poetic devices from the poem. Present it in a tabular form.

Present the above creatively and neatly in a folder using designer sheets.

Happy Holidays!!!!!

1

NEW ERA PUBLIC SCHOOL Holiday Homework (2018 – 19)

Class X

Subject : Mathematics

ASSIGNMENT :( To be done in the assignment register)

Topic: Real Numbers

Q1. Using Euclid’s division algorithm, find the HCF of the following.

(a) 1288, 576 (b) 155, 1305 (c) 240, 1024

Q2. If the HCF of 210 and 55 is expressible in the form 210 × 5 + 55y, find y.

Q3. Find the largest number which divides 245 and 1029 leaving remainder 5 in each case.

Q4. Using prime factorization, find the HCF and LCM of 72, 126 and 168. Also show that

HCF x LCM ≠ product of the three numbers.

Q5. The HCF of two numbers is 145 and their LCM is 2175. If one number is 725, find the

other.

Q6. The product of two numbers is 20736 and their HCF is 54, find their LCM.

Q7. After how many places of decimals, the decimal expansion of the rational number 43

2453

will terminate?

Q8. State the fundamental theorem of Arithmetic.

Q9. Check whether 5n can end with the digit 0 for any natural number n.

Q10. Express each of the following as the product of primes.

(a) 6435 (b) 8085 (c) 2184

Q11. Show that square of an odd positive integer is of the form 8q + 1, for some positive

integer q.

Q12.Show that every positive even integer is of the form 2q and every positive odd integer is

of the form 2q+1, where q is some integer.

Q13. Prove that following are irrational numbers:

(a) 5+2√3 (b) 5√3

2 (c) 2 - 3√7 (d) √2 - 5

Topic: Polynomials

Q1. If (x + k) is a factor of 2x² + 2kx + 5x + 10, find k.

Q2. If α and β are the zeroes of the polynomial p(x) = 3x² – 5x + 6, find

(i) (α / β) + ( β / α ) (ii) α³ + β³ (iii) α2 + 𝛽2 (iv) 𝛼3β + αβ3

2

Q3.Find a quadratic polynomial whose zeroes are 2

3 and (

−1

4 ).

Q4. Find a polynomial whose zeros are squares of the zeroes of the polynomial

3x² + 6x – 9.

Q5. If ‘1’ is one of the zeroes of the polynomial p(x) = 7x – x³ – 6, find its other zeroes.

Q6.Find a quadratic polynomial, sum and product of whose zeroes are 2 and ( – 1 )

respectively.

Q7. If the sum of the zeroes of the quadratic polynomial kx² + 2x + 3k is equal to their

product, find k.

Q8. Find a polynomial whose zeroes are 2, 1 and ( – 1). What is its degree?

Q9. Find the polynomial whose zeroes are reciprocals of the zeroes of the polynomial

2x² + 3x – 6.

Q10. Find the ratio of the sum and product of the zeroes of the polynomial 5x² + 2x – 10.

Q11.If α , β and γ are the zeroes of the cubic polynomial p(x) = 3x³ – 6x² + 5x – 3,

find their sum and product.

Q12. Divide 3 – x + 2x² + x³ – 3x4 by (2 – x ) and verify by division algorithm.

Q13 Find all the zeroes of the polynomial p(x) = x4 – 7x³ + 9x² + 13x – 4, if two of its zeroes

are 2 + √ 3 and 2 - √ 3.

Q14. What must be subtracted from 8x4 + 14x³ - 2x² + 7x – 8 so that the resulting polynomial

is exactly divisible by 4x² + 3x – 2.

Q15. Find all the zeroes of the polynomial f (x) = 2x4 – 3x³ – 5x² + 9x – 3, if two of its zeroes

are ± √ 3.

Q16. If the polynomial 6x4 + 8x3 + 17x2 + 21x + 7 is divided by another polynomial

3x2 + 4x +1, the remainder comes out to be ax + b. Find ‘a’ and ‘b’.

Topic: Pair of Linear Equations in Two Variables

Q1. Determine the value of k for which the given system of equations has unique solution:

a) 2x – 3y = 1 ; k x + 5y = 7 b) 4x – 5y = k ; 2x – 3 y = 12

Q2. Find the value of k, for which the system of equations has infinitely many solutions.

a) 2x –3y = 7 ; (k+2) x – (2k+1) y = 3(2k–1)

b) x + (k+1) y =5 ; (k+1) x + 9 y = 8k – 1

Q3. Find the value of ‘k’ so that the following system of equations has no solution.

a) (3k+1) x +3y – 2 = 0 ; (k²+1) x + (k – 2) y –5 = 0

3

Q4.Solve the following system of equations:

1) x + 2y + 1=0, 2x –3 y = 12 2) 2𝑥

𝑎+

𝑦

𝑏= 2 ,

𝑥

𝑎−

𝑦

𝑏= 4

3) (2u+v) =7uv, 3(u+3v) = 11uv 4) 2x+y – 3=0, 2x – 3y –7= 0

5) 5

𝑥+𝑦−

2

𝑥−𝑦= −1,

15

𝑥+𝑦+

7

𝑥−𝑦= 1 6)

1

5𝑥+

1

6𝑦= 12 ,

1

3𝑥−

3

7𝑦= 8

7) 1

3𝑥+𝑦+

1

3𝑥−𝑦=

3

4 ,

1

2(3𝑥+𝑦)−

1

2(3𝑥−𝑦)=

−1

8

8) 𝑥

𝑎+

𝑦

𝑏= 𝑎 + 𝑏 ,

𝑥

𝑎2 +𝑦

𝑏2 = 2

9) x + y = a + b, ax – by = a² – b²

10) (a + 2b)x + (2a – b)y = 2, (a – 2b)x + (2a + b)y = 3

Q5. Solve the following system of equations graphically.

a) x + y = 3, 2x + 5y = 12 c) x – 2y – 5 = 0, 3x – 6y = 15

b) 2x – 3y +13=0, 3x – 2y + 12 = 0 d) 3x – 4y –1=0, 2x – 8

3y + 5 = 0

Q6.Represent the following equations on the graph and determine the vertices of the triangle,

so formed .

a) 2y – x = 8, 5y – x = 14, y – 2 x = 1

b) y = x, y = 0, 3x + 3y = 10

Q7. Draw the graph of x – y + 1 = 0 and 3x + 2y –12 = 0. Calculate the area of the triangle

bounded by these lines and the x-axis.

Q8. Solve the system of equations x – y = 1, 2x + y = 8 graphically. Shade the area bounded

by these lines and x-axis. Also find its area.

Q9. A man has belts and handkerchiefs which are together 40 in number. If he had 5 more

handkerchiefs and 5 less belts, the number of handkerchiefs becomes four times the

number of belts. Find the original number of each.

Q10.The age of A is twice the sum of ages of B and C. Ten years hence, the age

of A will be three-quarter of the sum of the ages B and C. Find the

present age of A.

Q11. The numerator of a fraction is 4 less than its denominator. If the numerator is decreased

by 2 and the denominator is increased by 1,the denominator becomes 8 times its

numerator. Find the fraction.

Q12. The sum of the digits of a two digit number is 12.If the digits are reversed, the new

number exceeds the given number by 18.Find the number.

Q13. A boat goes 64 km upstream and 72 km downstream in 14 hours.It goes 80 km

upstream and 96 km downstream in 18 hours. Find the speed of the boat in still water

and speed of the stream.

NEW ERA PUBLIC SCHOOL

Holiday Homework (2018-19)

Class:X

Subject: Science

General instructions

1. The holiday homework should be done neatly.

2. There are two sections Part A and Part B. Both are compulsory.

3. Part A is the assignment and should be done in the science register.

4. In part B the students will prepare a model and a chart on the allotted topics. Subject

teacher will make 10-11 groups of 4 students each for model making.

5. The model should have a strong base and it should be a working model.

Part A

1. Complete the assignment based on the following chapters:

(i) Chemical Reactions and Equations

(ii) Life Processes

(iii) Electricity

Part B

1. Prepare a model on the topics given below

S. No. Class X (Model topics) Parameters

1 Model on energy

production-conservation

efficient methods

Energy conservation methods- bio

fuels, waste fermentation, energy

from water or magnetic electricity.

2 Model on water

conservation techniques in

agriculture

Smart fields, drip irrigation,

modern irrigation techniques to

save water or any other

3 Model on IT controlled

gadgets

Remote controlled cars, smart

phone controlled gadgets or any

other.

4 Model on garbage disposal Waste king, incinerator, true basket

or any other

5 Model on medical help

gadgets

Breathing machine, stethoscope,

excretory system or any other

6 Model on food adulteration Detection of food adulteration or

any other

7 Model on Hydraulics Hydraulic lifts, hydraulic bridge,

hydraulic crane or any other

8 Model on optics Optical fibres, multiple reflection

of light, refraction or any other

9 Model on Electric effect of

current

Electric motor, dynamos, eddy

current or any other

10 Model on magnetic effect of

current

Electric generator, navigator,

solenoid or any other

1

NEW ERA PUBLIC SCHOOL

Holiday Homework (2018-19)

Class X

Subject: Science

Topics:

1. Chemical reactions and equations.

2. Life processes.

3. Electricity

1. Give reasons for the following:

(i) Keeping food in air tight containers helps in preventing rancidity.

(ii) Moist air and acidic gases are not good for some metals.

(iii) Manufactured chips usually flush bags of chips with nitrogen gas.

(iv) Respiration is considered an exothermic reaction

(v) White coloured silver chloride turns grey when kept in sunlight.

2. Give one example of decomposition reaction which is carried out in the presence of :

(i) electrical energy (ii) sunlight (iii) heat energy

3. What is thermite reaction? Mention its use.

4. Write balanced chemical equations with state of reactants and products for the

following. Also mention the type of chemical reaction

(i) Molten sodium chloride on passing current decomposes into sodium metal and

chlorine gas.

(ii) Magnesium metal and hydrochloric acid react to produce magnesium chloride and

hydrogen

(iii) Potassium chlorate on heating produces potassium chloride and oxygen gas.

(iv) Solutions of barium chloride and sodium sulphate react to produce precipitate of

barium sulphate and sodium chloride.

(v) Iron metal dissolves in copper sulphate solution forming iron sulphate and copper.

5. Draw a well labelled diagram for the following:

(a) Human alimentary canal.

(b) Human excretory system.

(c) Nutrition in amoeba.

(d) Structure of nephron.

6. How is the small intestine designed to absorb digested food?

7. What are the different ways in which glucose is oxidised to provide energy in various

organisms?

8. Describe the structure and functioning of nephrons.

9. Differentiate between

(i) aerobic and anaerobic respiration

(ii) arteries and veins

(iii) xylem and phloem

10. Write the functions of the following:

(i) Trypsin (ii) pepsin (iii) bile (iv) villi

2

11. A bulb is rated at 220V- 100W. What is its resistance? Five such bulbs are switched

on for 4 hrs each day for the month of march. What is the total energy consumed in

the month? Calculate the cost if the rate is 50paise per unit?

12. A wire of length L and resistance R is stretched so that the length is doubled and area

of cross section is halved. How will (i) resistance change, and (ii) resistivity

change?

13. Show how would you join three resistors, each of 9 Ω so that equivalent resistance of

the combination is (i) 13.5 Ω, (ii) 6 Ω .

14. What are the factors on which the resistance of a conductor depends? Give the corresponding

relation.

15. State ohm’s law. Express it mathematically. Define S.I. unit of resistance.

NEW ERA PUBLIC SCHOOL Holiday Homework (2018-19)

Class X

Subject : Social Science

Prepare a project file with following details:

1. The total length of the project report should not be more than 15 written pages of foolscap size

(A-4 size) sheet.

2. The project report should be handwritten and credit will be awarded to original drawings,

illustrations and creative use of eco-friendly material.

3. The project report should be presented in a neatly bound simple folder.

4. The project report should be developed and presented in this order:

a) Cover page showing project title, student information, school and year.

b) List of contents with page numbers.

c) Certificate page

d) Acknowledgements (acknowledging the institution, offices and libraries visited and

persons who have helped).

e) Chapters with relevant headings.

f) Summary and conclusions based on findings.

g) Bibliography: should have the Title, author, publisher and if a website the name of the

website with the specific website link which has been used.

Marks distribution:

Total Marks will be allocated over the different aspects of the Project Work in the following manner:-

S.No Aspects Marks

1 Content accuracy and originality 1

2 Presentation and creativity 1

3 Process of Project Completion : Initiative,

cooperativeness, participation and punctuality

1

4 Viva or written test for content assimilation 2

Total Marks for one project 5

Suggested Projects [Choose any one of the given eight sub topics]

Disaster management:

1. Generating awareness on Disaster Management.

2. Role of government / non-government functionaries in your locality in Disaster

Management.

3. Identify and design structure safety measures for constructing disaster resistant

buildings. (earthquake, landslide, cyclone and flood resistant)

Popular struggles and movements:

4. Popular movement for democracy in Nepal and struggle for water in Bolivia.

5. Narmada Bachao Andolan

6. Long term movement :Women’s movement or Environment movement

Money and credit:

7. Visit any bank and explain various activities undertaken by the banks.

8. Collect information about the micro credit schemes organised by Self Help

Groups.

1

NEW ERA PUBLIC SCHOOL Holiday Homework (2018-19)

Class X

Subject: Foundation of Information Technology (165)

Q1. Write the HTML code for the output given :

General Instructions:

1. The title of the web page is “green” and text color is “yellow”.

2. The image inserted is “abc.gif”.

3. The paragraph is blue in colour.

4. Draw horizontal lines where needed.

Q2 Write the HTML code for the following table given using <table> tag of HTML.

2

Q3 Write the HTML code for the following list given using tags of HTML.

Q4 Write HTML code for the following output given using <table> tag and its attributes.

3

Q5 Write HTML code for the following output given using list tags.

General Instructions:

The title of the web page is “Library”.

The background colour of the web page is green and the text colour is yellow.

Use nested list to create list items.

The heading should be center aligned and red in colour.

Q6 Write HTML code for the following output given:

My School Library

My school has library with lots of books.

1. Fiction.

i) Mystery

ii) Comedy

iii) Drama

iv)

2. Reference Books

i) Science

ii) Maths

3. Languages

i) English

ii) French

4

General Instructions:

1. The title of the webpage is networking.

2. The background colour of the webpage is black and the text colour is yellow.

3. The image inserted is computer.gif saved in c:

4. Insert table in the web page.

5. Use list tag to display menu items.

Q7 Write the HTML code as per the following output given:

General Instructions:

1. The title of the webpage is animals.

2. The background colour of the webpage is grey and the text colour is black.

3. The image on the left side of the webpage is tiger.gif saved in c:

4. The image on the right side of the webpage is deer.gif saved in c:

5. Insert table in the web page.

6. Use nested list to display items.

Note : Get the coloured prints of coding and the output of the HTML programs.

NEW ERA PUBLIC SCHOOL

Holiday Homework (2018-19)

Class X

Subject: Computer

PROGRAMMING IN C

Make a chart /poster on different flowchart symbols used in “C

programming”[ X A, X B] Refer to page 3 of your book.

Make a chart/poster explaining the difference in “CUI” and

“GUI”.

[X C, X D] Refer to page 6 of your book.

Make a chart/poster on different data types used in “C”

explaining their usage.[ X E, X F] Refer to page 14 of your

book.

Make a chart/poster on operators used in “C” explaining their

usage. [ X G, X H] Refer to page 21-23 of your book.

NOTE: Poster/Chart should be on A4 size or half a chart and printouts should be coloured.

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