Number Series for SBI PO : Set 03

Direction.1-5) In the following number series only one number is wrong. Find out the wrong number:

1)  5, 55, 495, 3465, 17325, 34650, 51975

a) 495

b) 34650

c) 55

d) 17325

e) None of these

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2)  2, 9, 32, 105, 436, 2195, 13182

a) 436

b) 2195

c) 9

d) 32

e) None of these

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3)  11, 18, 29, 42, 59, 80, 101

a) 42

b) 18

c) 29

d) 59

e) None of these

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4)  3, 7, 16, 32, 56, 93, 142

a) 56

b) 16

c) 32

d) 7

e) None of these

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5)  4, 5, 12, 38, 160, 805, 4836

a) 12

b) 160

c) 38

d) 805

e) None of these

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Direction.6-10) Find the wrong number in the series given below:

6)  400     240     144     84.4     51.84     31.104

a) 400

b) 84

c) 104

d) 144

e) 4

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7)  3     13     31     57     91     113

a) 113

b) 3

c) 31

d) 91

e) 57

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8)  6     17     76     483     3884     38865

a) 3884

b) 6

c) 17

d) 76

e) 483

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9)  8       7.5     15.75     44.875     162.5625     743.53125

a) 875

b) 5

c) 5625

d) 8

e) none of these

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3

 

10)  277   133    59      26      17      17

a) 277

b) 26

c) 17

d) 133

e) 59

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