# Number Series asked in SBI PO Prelims Exam – 6th May 2017

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## Number Series asked in SBI PO Prelims Exam – 6th May 2017

Here we have given Memory based Number Series questions. Candidates those who are all going to write the examination can check this pattern and make use it.

1). 7, 3, 2, 2, 4, ?

Logic: ×0.5-0.5, ×1-1, ×2-2, ×4-4, ×8-8

2). 5, 6, 14, 23, 87, ?

Logic: Difference of 12, 23, 32, 43, 52

3). 5, 6.2, 9, 13.4, 19.4, ?

Logic: : Difference of Difference- 1.6, 1.6, 1.6

4). 6, 9, 20, 47, 106, ?

Logic: Difference of Difference- 8, 16, 32, 64,

5). 4, 5, 16, 81, ?, 5113

Logic: ×1+1, ×3+1, ×5+1,  ×7+1, ×9+1

6). 180, 179, 183, 156, 172, ?

Logic: Difference of: -13, +22, -33, +42, -53

7). 9, 4, 3, 3, 4, ?

Logic: ×0.5-0.5, ×1-1, ×1.5-1.5, ×2-2, ×2.5-2.5

8). 6, 5, 14, 69, ?, 4337

Logic: ×1-1, ×3-1, ×5-1, ×7-1, ×9-1

9). 4, 10, 160, 382, 640, ?

Logic: Difference of Difference: 144, 72, 36, 18

10). 3, 10, 20, 39, 85, ?

Logic: Difference of Difference 3, 9, 27, 81

11). 4, 31, 156, 499, 1228, ?

Logic: Difference of 3 x 32, 5 x 52, 7 x 72, 9 x 92, 11 x 112

12). 152, 156, 140, 176, 112, ?

Logic: Difference  22, -42, 62, -82, 102

13). 7, 9, 21, 67, 273, ?

Logic: Difference of: x1+2, x2+3, x3+4, x4+5, x5+6