Important Simplification Questions  : Set – 62

D.1-10) what will come in place of question mark in the following questions:

1)

a) 42

b) 43

c) 44

d) 45

e) 50

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c) 44

(?) =44

2)

a) 20

b) 81

c) 18

d) 21

e) 19

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b) 81

400-23×17= (?) /9

(?)=81

3)

a) 15

b) 12

c) 17

d) 19

e) 20

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c) 17

4)

a) 23

b) 24

c) 25

d) 26

e) 27

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d) 26

168+195+272=(?)2-41

(?)2=676

(?)=26

5)

a) 8

b) 7

c) 6

d) 4

e) 5

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e) 5

6)

a) 56

b) 87

c) 63

d) 93

e) None of these

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c) 63

?=63

7) (1.7)2-(2.2)2+(9)3-?=152.05+84

a) 491

b) 534

c) 321

d) 654

e) None of these

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a) 491

(1.7)2-(2.2)+(9)-?=152.05+84

2.89-4.84+729-?=236.05

727.05-?=236.05

?=491

8)

a) 94050

b) 95040

c) 98070

d) 90450

e) None of these

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b) 95040

9) 185% of 4700+250% of 6280-758=?-

a) 23951

b) 23080

c) 23661

d) 24561

e) None of these

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c) 23661

8685+15700-758=?-24

?=23651

10)

a) 24

b) 76

c) 32

d) 45

e) 41

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a) 24