shortcut 20arithmetic 20techniques 28update 29 2013 130609233634 phpapp01

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    Menu Bar View Auto /Automatically Scroll ( )

    pdfOptionsView Go To ( Adobe Reader Foxit Reader ), Page number

    ; OK

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    + Plus / add [ Sum / Total] Minus / Subtract /Deduct [ Difference] Times / Into/ dot /of /Multiply [Product / Multiplication ]

    , /, Division , Divisible , Remaindera(dividend-) b(Divisor-)= c(Quotient-) Plus or Minus = Equal / Is Approximately Equal Is not Equal Is greater then {5> 2} Is not greater then {5

    20}

    Is greater than or equal to ( / )

    % Percentage( 100 )

    Infinity /

    Varies as / is Proportional Implies/or If and only if Pi

    1,2,3...n[,\,] Constant/

    x,y,z Variable /

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    2x x + x

    =

    a+bx+c Expression [a, bx,c Term]0 n0 =n , n0 =0 , 0/n =0 , n/o = (anything 0) = Undefined ()|x| [x] Absolute Value ( ) Negative Positive Square Root , =2, =3 Cube Root , =3, =4 n Root n x 1/n

    X y

    = Summation ,X n

    * +- Bracket Logarithmsa x ( n= )

    [ + , ]

    10 n!n Factorialn n (n-1) (n-2)1 [ 5!=54321]

    npr Permutation [ n npr ,npr= n(n-1) (n-2) (n-3) ..(n-r+1) Ex:- 6p3=654 ]ncr Combination/ /,ncr=

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    A=*,, ,+ A , a,b,c,d Intersection /cap [ /

    ] [AB={x:xA xB}] Union/cup [

    ]=> ( ) [AB={x:xA xB}] Element of / Belongs to / [Ex: bA] Is not an Element of/not Belongs to

    / Subset of [A /B / ]/ Superset

    Empty Set

    A\B [B A , A / A ] A-B={x:xA xB}

    A Complementary set [U\A=U-A={xU : xA }P(A) Power Set [A n P(A)

    2n]

    NZQR N( / +n),Z( +n,0,+n)Q(0,+n, ),R ( ), ( ) Q=R-Q

    Straight line ( ) Ray ( ) Line Segment ( ) Similar to Almost Equal to Is Equivalent to/ Congruent

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    Angle / RightAngle Measured Angle Perpendicular To Is Parallel to Therefore / Hence Since / Because / Triangle Rectangle/Square Circle

    (Unit) ()

    3 (Digits) / 3 Ex:- 318 3+1+8=12 ,

    (Unit) (tens) 4

    Ex:- 544 , 4 444 (Unit) () 5 3 2

    (Unit), (tens) (Hundredth)

    8 Ex:- 77 264 ,2648 , 77264 8 (Digits) / 9

    Ex:- 288 2+8+8=18 ,9 , 288 9

    (Unit) () 2, 5, 10

    (oo) , 4, 25, 100

    (000) , 8, 125, 1000

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    0,1,2,3,4,5,6,7,8,9

    1 100 0 11

    2 9 (2,3,4,5,6,7,8,9) 20

    1 21

    87654321

    8(Crores) 7(Nijut) 6(lacs) 5(Ajut) 4(Thousands) 3(Hundreds) 2(Tens) 1(Units)4321=41000+3100+210+1

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    {-n.-5,-4,-3,-2,-1, 0, +1,+2,+3,+4,+..+n}2 {0,2,4,6,8,.2n}

    2 {1,3,5,7,9.(2n+1)}

    Even Even=Even , Odd Odd=Odd , Even Odd=Even

    Even + Even=Even , Odd + Odd=Even , Even Odd=Odd

    Even / Even=Even , Even /Odd=Odd , Odd/Even=Odd

    Odd Odd =Odd , Odd Even =Odd , Even Even=Even , Even Odd =Even

    (2,4,6.) (3,5,7..)

    { n,n+1,n+2,n+3,.}

    ( even prime number)

    (Odd Prime number)

    1 100 25 1060 1 200 46 1 500 95 1 1000 168 ( 2 ,3

    3 , )

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    1 100

    1-10 2,3,5,7 4

    11-20 11,13,17,19 4

    21-30 23,29 2

    31-40 31,37 2

    41-50 41,43,47 3

    51-60 53,59 2

    61-70 61,67 2

    71-80 71,73,79 3

    81-90 83,87 2

    91-100 97 1

    (4422322321)

    (1232232244)

    /

    Fraction ()= ( , x y ) , = Rules of fractions

    + = - = + = = + - = = - = = =

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    =

    a c = b

    2

    > ( Ex:- , )

    < ( Ex:- , )

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    ,

    , , , , , , ,

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    - , -(0,1,2,3.n ), ()-16 , (a/b

    -a b ) , -

    a/b -a b ) ,

    ( ) , ( ) , , , , , e Ex:- , , , , ,

    I1, V5, X10, L50, C100, O500, M1000

    Greek Alphabet

    Alpha Beta Gamma Delta Epsilon Zeta Eta

    Theta Iota Kappa Lambda Mu Nu Xi Omicron

    Pi Rho Sigma Tau Upsilon Phi Kai Psi

    Omega

    ,

    ,

    20 =5221

    , Ex:- 35/5=7 , 35/7=5 5 735 357 5

    ,

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    ,

    -

    ..

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    2304 (Square Root )

    74 28 1) 2) , 3) 74 64 , = 8 :4) 8 74 64 5)

    74 64

    10 28

    1028 ( )

    6) 8 82 = 16 ( )

    7) 16 1028 1028

    8) 6 16 66=996 7 ( 16 7 7 = 1169) 1028

    9) 1028 996 32 862 = 172 32

    10) , 86 11) 74 28 32 7396

    86

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    BODMAS

    [{(Braket)}]of /Division() Multiplication () Addition (+) Subtraction(-)

    =x , x-a =b-x => x= Formula:-- =

    1008 = 2222337=243271

    = (4+1)(2+1)(1+1)=30

    Formula:-- x =ambncl =(m+1)(n+1)(l+1)

    2\1008

    2\504

    2\252

    2\126

    3\633\21

    7

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    n

    Let the Numbers =x and (x+1)

    According to the Question, (x+1)2 x2 = n x

    = , = +

    = ( a , b , c d) ..

    = ( a , b , c d) ..+

    = ( a , b , c d) .. + /

    = .. ..

    .. = ..

    .. =

    .. =

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    -

    (a) 2 (b) 3 = 61 = 6

    10 =(610)

    = ..

    =

    =

    -M A, M = M A [ A = ]N B, N = N B

    = M + N = AM +BN

    =

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    Varies as / is Proportional

    -

    ,,,

    , =

    = , =

    a, b, c ,

    a:b =b:c

    a+b+c = S ()

    a = S

    a:b = x:y = (xl): (yl) = xl : yl b:c =l:m = (ly): (my)= yl : my

    a:b:c = xl : yl : my

    Formula:-- = a + b + c = n

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    Formula:-Required Amount: =

    Required ratio

    Water =

    3 =6

    Formula:-- = 7 + 3 = 10

    30 = 30

    ( ) = 21

    30 = 30 ( )

    = 9

    , =

    3 : 7

    x 3 : 7 21 : (9 + x) = 3 : 7 x = 40

    7 : 5

    10 = 30

    0/0 3

    = 7 : (3+2) = 7 :5 1 = 3

    6

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    100 (100)

    x % = N (90) P % (75% )

    Formula:--Let the Number be = x

    X P% = N X 75% = 90What Percentage % is R(90) of N(120)?

    N X% =R

    120 x% =90: 100

    100

    ,100

    ,

    , 100

    -25% = (100 + 25 ) = 125

    125 = 100

    ,, 100 ,, ,, ,, = = 80 = 00 80)% =20%

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    Formula:-

    [ % =

    ]

    [ % =

    ]]

    (Increase ) + (Decrease )

    , % %

    25% , %

    25% % , 25%

    Formula:-% Change =

    100%

    Result + Increase

    Result Decrease = 0 00 100% =100% [ ]

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    Formula:--5% , 100 + 5 =105100 = 105

    ,, 1000 ,, ,, ,, =

    = 1050

    5 = 1050 1000 = 50 1 ,, ,, ,, = 50/5 = 10

    Formula:-

    = 10

    Solution:= 100x = 100y

    = = 10000 xy20% = (100+20)x =120x

    10% = (100-10) = 90y

    = 120x 90y = 10800xy = 10800xy 10000xy = 800xy 10000xy = 800xy

    ,, ,, 100 ,, ,, ,, =

    =8% Formula:-

    x First Value ( ) % y Second Value ( ) % ,

    / (Increase) + / (Decrease) (Answer) + ,

    (Answer) ,

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    Formula:-- +

    C% = (+5) + (+5) +

    Formula:-- ,

    F=S = 10

    C% = (10) + (10) +

    Formula:-- , F=S = 5

    , +

    C% = (+5) + (+5) +

    F= + 25%

    S = 5%

    C% = (+25) + (

    5) +

    C% = (-20) + (+20) +

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    C% = (+20) + (+20) +

    C% = (+10) + (+20) +

    Formula:-Mix % =

    Formula:- - Rest (n) = 100x (f% + s% + t% )x

    Formula:- -pass = n x% (a/b)

    , = 100

    = (100+25 ) 125

    125 =100

    ,, ,, 100 ,, ,, ,, ,, 80 = (100 80 ) = 20

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    ,

    100 =25

    ,, 64 ,, ,, ,, ,, =

    , = (6416) 48

    ,

    40 = 100

    ,, 48 ,, ,, ,, ,, =

    120

    = (12048) 72

    , = (72 16) 56

    ,

    ,

    Formula:-- = (100 70 10)% = 20% = (100 80 10)% = 10% = (20 + 10 + 10)% = 40% = (100 40)% = 60% 60 , = 100

    ,, ,, 360 ,, ,, ,, ,, ,, ,, =

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    = (60 40)% = 20% = (70 40)% = 30% = (40 + 30 + 20)% = 90%

    = (100 90)% = 10%[1 10% ]100 = 10

    ,, 200 ,, ,, ,, ,, ,, ,, =

    , , ,

    , ,

    ()

    [ , ]

    X = Y 1 = (X Y) [ , ]Z =

    [ , ]

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    1 1 2

    ,

    Formula:- M1 D1 = M2 D21) M2 = 2) D2 =

    Solution :

    100 =(500 100) = 400 5 ,500 = (20 5)15 1 ,, ,, ,, ,, ,, = (15 500)

    400 ,, ,, ,, ,, ,, =

    00 [ 500 ,

    , ]

    Formula:--X m = 1

    1 ,, ,, = Y 1 = X Y 1 = (

    +

    ) =

    =1

    ,, 1 ,, ,, ,, = Formula:- T =

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    Formula:- T =

    Formula:- T =

    Formula:- T =

    Formula:- T =

    [ ]

    SolutionX 20 = 1

    X 1 = Y 1 =

    Z 1 =

    X , Y Z 1 = ( ) = 1

    ,, 1 ,, ,, ,, = 8

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    Formula:--1 = 1/8

    ,, 6 ,, ,, ,, = 6/8

    = (1 ) = X 1 = 20

    ,, ,, ,, = (20 ) =20/4 = 5

    Formula:-- X 1 = 1/ 20

    5 ,, ,, =

    0

    X5 X , Y Z = (1 ) =

    X , Y Z 1/8 = 1 ,, 1 ,, ,, ,, = 8 ,, ,, ,, ,, = = 6

    = X , Y Z + X 5= 6 + 5 = 11

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    1 1 1 2

    2 2

    Formula:--3 20 = 1

    3 ,, ,, 1 ,, ,, = 0

    1 ,, ,, 1 ,, ,, = 0 4 ,, ,, 1 ,, ,, = 0 = [ ,

    , ],

    5 20 = 1

    1 ,, ,, 1 ,, ,, = 0 10 ,, ,, 1 ,, ,, = 00 = 0 4 10,

    1 = ( +

    0 ) =

    = 1 1 ,, ,, ,, = 6Formula :

    T2 =

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    Formula:- T =

    t

    U = Up , D = Down

    T = 1= 77Min

    Formula:-- ( )n = 1 ( )

    =

    =

    = +

    =

    , U V [U > V]

    ,

    (Relative Speed) = U +V ,

    (Relative Speed

    )= U

    V

    / / X T

    T X ,, 1 ,, ,, ,, =

    =

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    p

    Lt

    T =( Lp + Lt) ,, 1 ,, ,, ,, =

    =

    Formula:-- ,1 (60 60) = 45 = (45 1000)

    60 ,, ,, = 0 0 750 60 ,

    = +

    750 = + 100 = 650Formula:- = 45 =

    [ T Cnver Seed in km/hr to m/sec multiply speed by ]

    =650x

    T = , (Relative Speed) = , (Relative Speed) = T =

    = 11 Second [1 km/hr = meter/second ]

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    Formula:-

    T =

    = 0T = 0 0 = 9 Second [1 km/hr =

    meter/second ]

    Formula:-T = T = 0 0 0

    (Principal / Capital / Sum )[Invested]

    / / ( Interest / Extra money for Interest) [ ]

    / [Per-annum ]

    (Rate of Interest) [ , 100 1 ]

    /-/ (Amount/ Interest-principal/Increased Principal)

    = +

    P t = p t 1

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    r

    ,100 1 r

    1 1 P 1

    P tn

    I = I = npr [r = r% = r/100]

    [ ]

    A =P +I

    A = P + nPr = P (1 + nr)

    P =

    [r = r% = r/100]

    P =

    [ ,, ]

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    P r

    n C = p

    = (C) (P)= P P

    =

    =

    Solution-700 5 = 105

    100 ,, 1 ,, ,, =

    Formula:-I =

    105 =

    r =

    , X 5 - = 2X

    = - = 2X X = X

    X 5 = X

    100 ,, 1 ,, ,, = = 20 = 20%

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    Formula:- ( ) =

    =

    r 0

    1 2

    Formula:--100 1 = (10 8 ) = 2

    100,, ,,, ,, 5 ,, ,, ,, = (5 2 ) = 10 10 = 100

    ,, 200 ,, ,, ,, = 00 000 Formula:-I = 200 = p =2000

    Formula:--5% , 100 10 = ( 5 10) = 50

    10010 = ( 100 + 50 ) = 150150 = 100

    ,, 5000 ,, ,, ,, = 00 0000 Formula:-P =

    P =

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    Formula:--300 4 = 1200 1

    500 5 = 2500 1

    (1200 + 2500 ) = 3700 1 3700 1 148

    100 ,, ,, 1 ,, ,, = 0000 = x % = x/100

    , I1 =00

    00

    , I2 = 00 00

    , I1 + I2 =148

    00 00 + 00 00 = 148 x = 4%Formula:-I = r =

    r = 00 00 00= 4%

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    + 5 = 500

    + 5 = 460

    [ ]

    2 = 40 1 ~ ~ = = 203 ~ ~ = 203 = 60

    = (46060) = 400

    400 1 20

    1 ~ 1 ~ ~ 20/400

    100 ~ 1 ~ ~20

    400 00

    Formula:-C = p

    C = 600 C = 726

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    (Cost Price ) CP :- / (Selling Price )SP:- (Profit) = (SP)

    -

    (CP)/(Profit /Gain) P:-(loss) = (CP) - (SP)/ (Loss)L:-

    ,

    -

    X % x %

    x

    C x % ,

    =

    X% c = ( C + )

    X %C = ( C )

    C P ,

    =

    Furmula: 1

    (Profit %) = 00

    Profit % = 00 %

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    Furmula: 1

    (Loss %) =

    loss % = 00

    0

    Furmula:

    (n) , (n+1) (n+2) ,

    , ?

    (loss) = /-

    loss % = 000

    Formula:- =n , First Value=F%, Second Value=S% = n [ + , ]

    = 12

    Formula:- =

    = 00 00 0

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    Solution = (150 + 20 )=170170 = 20

    ,, 100 ,, ,, ,, = 0 000 Formula:-

    =

    + [ =

    ]

    =

    Cost = 150 +20 =170 % =0 000

    Formula:-=

    Cost = 00 0000 0

    Formula:-= Cost = 00 0000 0

    Solution: 100 , 100 P%,

    100 = (100 + P )

    ,, n ,, ,, ,, = 0000 L% ,

    100 = (100 -L )

    0000 ,, ,, ,, = 00 00 0000 [P% , L% p% 5%(L%)

    ]

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    Formula:--15%,

    100 = (100 +15 ) =115

    ,, 280 ,, ,, ,, = = 322 8% ,

    (100 -8 )92 = 100

    ,, 322 ,, ,, ,, ,, = = 350

    Formula : ( )= 30 30 20% =24

    (Profit) =(

    Profit = 0

    Formula:- = R% ( )

    Cost= 00 00

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    Solution %

    10% = (100 10) = 9020% = (100 + 20 ) = 120

    (120 90) = 30 30100

    ,, ,, 40 ,, ,, ,, ,, Formula:-

    =

    40 10% 20% ,

    10% + 20% =40 15% = 40 1% = 0

    100% = 0 00 Formula:-

    =

    = 00 0 0

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    Solution: 3 % 20% = (100 20) = 8040% = (100 + 40 ) = 140

    40% 100 = 140

    ,, 80 ,, ,, ,, 0 000 = 11210% , = (100 10 ) =90

    = (112 -90) = 22

    22= 100,, 50 ,, ,, ,, =

    00 0

    Formula:10% , Sells1 = (100 10) = 9020% = (100 20 ) = 80 ,

    profit, 80 40% =32

    ,Sells2 = + = 80 + 32 = 112

    =

    [ Absolute Value Negative Positive]

    Cost = 00 0

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    Solution:5 = 4

    1 ,, ,, = ,

    4 = 5 1 ,, ,, = = - =

    =

    0

    [ ]

    =

    0

    ,, ,, 100 ,, ,, ,, =

    Formula

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    Solution:X = 1

    1 ,, ,, =

    Y = 1 1 ,, ,, = = =

    =

    ,, ,, 100 ,, ,, ,, = 00

    Formula =

    =

    00

    Solution: = (380+20)400 400 =20

    ,, 100 ,, ,, ,,

    Solution:10% = (100-10) 90

    5% = (100+5) 105

    = (10590) 15 15 100

    ,, 45 ,, ,, ,, ,, 300

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    Solution:20% = (100+20) 120

    10% = (100-10) 90

    20% , 100 = 120

    ,, 90 ,, ,, ,, = =108

    % , = (100

    )

    = (100 ) 31

    2 =100

    ,, 31 ,, ,, ,, ,, = 200

    Solution:x % , = 0 0

    ( 0 0 ) = 100 ,, n ,, ,, ,, = y % , = 0 0 100 = ( 0 0 ) ,, ,, ,, ,,=

    = n

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    Solution:36 =12

    100 ,, ,, ,,

    20% , 100 = (100 + 20) 120

    20% ,

    = 120

    20 ,, ,, ,,

    Solution:15% 1200 + 1200 15% (1200 15

    100 )

    1200+180 = 1380

    5% 1380 1380 5%

    1380 69 = 1311

    Solution:5 = 2

    100 ,, ,, = 4040% ,100 (100+40) 140

    140 =40

    35 ,, ,, ,, ,, = 10

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    Solution:12=20

    1 ,, ,, ,, = 53

    1 = = 2

    5

    3=

    1

    3

    53 = 1

    3

    ,, 100 ,, ,, 20 [ ]

    Solution:3 = 1

    1 ,, ,, ,, =

    2 = 1

    1 ,, ,, ,, = 2

    1 = = 1

    2 1

    3=

    16

    [ ]1

    3 = 1

    6

    ,, 100 ,, ,, 50

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    Solution:, 5 = x

    1 ,, ,, ,, =

    4 = x

    1 ,, ,, ,, =

    1 = =

    =

    =

    ,, 100 ,, ,, 25

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    1 Lac = 105

    1 Million = 106 = 10 lac

    1 Crore =107 =10 million

    1 Billion = 109 (USA) =1012(Eu)

    1 Trillion = 1012(USA) = 1018(Eu)

    1 kilogram= 2.2 (lbs) pounds

    1 Seer = .93 kg

    1 mound = 40 seer = 37.2 kg

    1 quintal = 100 kg

    1 ton = 1000 kg

    S.I International Systems of Units 1960

    CGS Centimeter . Gram .Second

    M.K.S Meter . Kilogram . Second

    F.P.S Foot .Pound .Second

    12 Inch = 1 foot , 3 foot = 1 Yard , 1760 Yard = 1 mile

    RelationshipDistance Area Volume1 Inch = 2.54 Centimeter 1 Inchs2= 6.45 cm2 1 liter = 1000 Cubic Centimeter

    1 Meter = 39.37 Inch 1 Hectare = 10000 meter2 1 Cubic meter = 1000 liters

    1 mile = 1.61 kilometer 1 Katha = 720 feet2 1 Cubic foot = 28.31 liters

    1 Nautical Mile = 1.853km 1 Acre = 4047 meter2 1 gallon = 3.78 liters(us) = 4.54 liters(uk)

    1 km2 = 247 Acres 1 Cubic Centimeter= 1 gram

    1 m_t_r = 100 C_ntim_t_r = 39.37 In]hs = 3.28 `__t = 1.0936 Yr^s = 0.00062 mil_s1 kilogram = 1000 grams = 2.2 pounds = 35.27 Ounces = 0.157 Stone(uk)1 meter 2 = 10.76 feet2 =1550 Inchs2 = 10000 centimeter21 Square kilometer = .3861 mile2 = 100 hectares = 247 acres1 mile2 = 2.589 kilometers2 = 259 hectare = 640 acres1 Celsius = 33.8 Fahrenheit = 274.15 kelvin

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    F S F + S F SF S = F S = 30 = 20 + 15 F S F S

    1 12

    12 = 3600 ,, ,, ,, ,, = 0N = n 0

    1 0

    H M = ()() HM = [() ]

    0 / 0

    Examples: = = [>0]

    = 0

    =

    0

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    :

    ()

    ()(x )

    x

    ()

    ()

    ()x

    :

    , A= q n, q = n =

    (

    ,, W = q x n, q = ,

    n = x =w = nx

    , d = v t., v = t=

    , Q(t) = Q0 q t, Q0=

    q =

    t=

    Q(t) = t(+ )

    P = b r, b =

    r == = S%P== b S%

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