## 4 Nov 2016

### Number Series asked in IBPS RRB Scale-1 PO Prelims Exam Held on 4th Nov 2016 (2nd slot) with detailed solution

Number Series asked in IBPS RRB Scale-1 PO Prelims Exam Held on 4th Nov 2016 (2nd slot) with detailed solution
Dear Readers, IBPS RRB Scale-1 PO Prelims Exam 4th Nov 2016 (2nd slot) has finished, 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). 2, 7, 14, 25, 38, ?
Solutions : Difference of Difference
2+5 (5+2) = 7
7+7 (7+4) = 14
14 + 11(11+2) = 25
25+ 13 (13+4) = 38
38 + 17 (17+2) = 55

2). 6, 6, 8, 14, 26, ?
Solutions: Difference of Difference – 2,4,6,8
6+0 (0+2) = 6
6+2 (2+4)= 8
8+6 (6+6)= 14
14+12 (12+8) = 26
26+20 (20+10) = 46

3). 3, 5, 13, 43, 177, ?
Solutions:
3×1+2=5
5×2+3=13
13×3+4=43
43×4+5=177
177×5+6=891

4). 4, 2, 2, 3, 6, ?
Solutions:
X0.5, x1, x1.5, x2, x2.5… = 15

5). 3, 9, 22, 42, 69, ?
Solutions : Difference of Difference
3+6 = 9
9+13 (6+7) = 22
22+20 (13+7) = 42
42+27 (20+7) = 69

69+34 (27+7) = 103