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Simplification

The document contains a series of mathematical problems and simplifications, including algebraic expressions, simplifications, and calculations involving numbers and variables. It presents multiple-choice answers for each problem, with options labeled a) through e). The problems cover various topics such as factorization, simplification, and basic arithmetic operations.

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esakkipandi2011
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0% found this document useful (0 votes)
17 views20 pages

Simplification

The document contains a series of mathematical problems and simplifications, including algebraic expressions, simplifications, and calculations involving numbers and variables. It presents multiple-choice answers for each problem, with options labeled a) through e). The problems cover various topics such as factorization, simplification, and basic arithmetic operations.

Uploaded by

esakkipandi2011
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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SIMPLIFICATION

4 3 5 30 12 27
1. Simplify/      
3 2 3 12 9 16

53 43
a) b)
12 12

33 13
c) d)
12 12

e) Answer not known / 

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2. If a2 + b2 = 234 and ab = 108 then find the value of

ab
ab

ab
a2 + b2 = 234 ab = 108  
ab


a) 10 b) 8

c) 5 d) 4

e) Answer not known / 

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a3  b3 a2  b2
3. Multiply 2 by
a  2ab  b2 ab

a3  b3 a2  b2
 
a2  2ab  b2 ab

a) a2 - ab + b2 b) a3 + b3

c) a2 + ab + b2 d) a3 - b3

e) Answer not known / 

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4. the value of is 3 3 3..... / 3 3 3.....  
a) 3 b) 3

c) 3 3 d) 27

e) Answer not known / 

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1 3 8
5. Simplify /  5  of
2 4 9

1 1
a) 6 b) 6
4 6

8 4
c) 6 d) 6
9 8

e) Answer not known / 

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6. If (x + l) ( x + m) = x2 - 4x + 2 then the value of l2 +
m2 is

(x + l) ( x + m) = x2 - 4x + 2 l2 + m2 

a) 12 b) 4

c) 48 d) 14

e) Answer not known / 

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1 1
7. Find the value of % of 200. /  
2 2

a) 1 b) 20

c) 50 d) 100

e) Answer not known / 

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8. Simplify / 
(ab) (bc) (c  a)
 ma   mb   mc  1
 b  c   a  
m  m  m  m

1
a) b) m
m

c) 1 d) m(a+b+c)

e) Answer not known / 

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9. How many two digit numbers are divisible by 13?

    




a) 6 b) 7

c) 8 d) 9

e) Answer not known / 

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10. Compute / 

(100 - 1) (100 - 2) (100 - 3) ...... (100 + 1) (100 + 2)


(100 + 3) = ?

a) 0 b) 1

c) 100 d) 1000

e) Answer not known / 

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8.94  8.94  9.94  3.56  3.56  3.56
11. =?
8.94  8.94  8.94  3.56  3.56  3.56

a) 0.538 b) 5.38

c) 0.0538 d) 53.8

e) Answer not known / 

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12. How many times can you subtract 10 from 100?



a) 1 b) 100

c) 10 d) 9

e) Answer not known / 

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2x
1
1
13. If 1  x , then find the value of x.
1
1x

2x
1
1
1
x x
1
1x

1 2
a) b)
3 3

c) 1 d) 2

e) Answer not known / 

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14. Simplify / 

20 + [8  2+{ 6  3 -10  5}]

a) 40 b) 57

c) 52 d) 48

e) Answer not known / 

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3y  3 7y  7
15.  =?
y 3y2

9y 9y 3
a) b) (21y  21)
7

21y 2  42y  21 7(y 2  2y  1)


c) 3y 3
d) y2

e) Answer not known / 

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16. Which one of the following is a pair of co-primes?

     




a) (16, 62) b) (18, 25)

c) (21, 35) d) (23, 92)

e) Answer not known / 

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17. Common prime factors of 30 and 250 are



a) 2, 5 b) 3, 5

c) 2, 3, 5 d) 5, 5

e) Answer not known / 

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18. If 57 + 57 + 57 + 57 + 57 + = 5y then y

57 + 57 + 57 + 57 + 57 + = 5y y 

a) 5 b) 7

c) 8 d) 9

e) Answer not known / 

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13 x 1
P  P 2
19. If   =   then find the value of x.
q q

13 x 1
P  P 2
  =   x
q q

a) 4-1 b) 3-1

c) 2-1 d) 1-1

e) Answer not known / 

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20. Find the value of 27  12 /  27  12

a) 39 b) 5 6

c) 5 3 d) 3 5

e) Answer not known / 

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