Number series for SBI PO :SET 81

1)2, 7, 10, 22, 18, 37, 26,?

a) 42

b) 52

c) 46

d) 62

e)None of these

2)15, 16, 34, 105, 424, 2124, 12756

a) 16

b) 34

c) 105

d) 424

e)2124

3)42, 40, 38, 35, 33, 31, 28, ?, ?

a) 25, 22

b) 26, 23

c) 26, 24

d) 25, 23

e) 26, 22

4)2, 3, 12, 37, 86,166, 288

a) 37

b) 86

c) 166

d) 288

e)12

5)3, 7, 15, 27, 63, 127, 255

a) 7

b) 15

c) 27

d) 63

e)127

6)8, 12, 9, 13, 10, 14, 11, ?, ?

a) 14, 11

b) 15, 12

c) 8, 15

d) 15, 19

e)8, 5

7)3, 6, 18, 72, 360, ?

a) 2160

b) 1800

c) 2520

d) 1440

e)None of these

8)16, 8, 12, 30, 105, ?

a) 5

b) 5

c) 5

d) 5

e)None of these

9)688, 472, 347, 283, 256, ?

a) 236

b) 229

c) 255

d) 248

e)None of these

10)3, 7, 19, 55, 163, ?

a) 467

b) 487

c) 475

d) 485

e)None of these