Number Series asked in SBI PO Prelims Exam – 30th April 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). 11, 10, 18, 51, ?, 995
Logic: ×1-1, ×2-2, ×3-3, ×4-4, ×5-5,
Answer: 200
2). 325, 316, 291, 242, 161, ?
Logic: Difference of: 52, 72, 92, 112
Answer: 40
3). 31, 38, 27, 40, 23, ?
Logic: Difference of : +7, -11, +13, -17, +19
Answer: 42
4). 6, 7, 28, 64, 110, ?, 216
Logic: Difference of Difference of Difference: 5, 5, 5
Answer: 161
5). 15, 8, 9, 15, ?, 82.5
Logic: Difference of: ×0.5+0.5, ×1+1, ×1.5+1.5, ×2+2, ×2.5+2.5
Answer: 32
6). 13, 12, 22, 63, ?
Logic: ×1-1, ×2-2, ×3-3, ×4-4,
Answer: 248
7). 399, 390, 365, 316, 235, ?
Logic: Difference of: 52, 72, 92, 112
Answer: 114
8). 29, 36, 25, 38, 21, ?
Logic: Difference of : +7, -11, +13, -17, +19
Answer: 40
9). 7, 9, 41, 98, 175, ?
Logic: Difference of Difference of Difference: 5, 5, 5
Answer: 267
10). 13, 7, 8, 13.5, ?, 75
Logic: Difference of: ×0.5+0.5, ×1+1, ×1.5+1.5, ×2+2, ×2.5+2.5
Answer: 29
11). 9, 8, 14, 39, ?, 755
Logic: ×1-1, ×2-2, ×3-3, ×4-4, ×5-5
Answer: 152
12). 25, 32, 21, 34, 17, ?
Logic: Difference of : +7, -11, +13, -17, +19
Answer: 36
13). 11, 6, 7, 12, ?, 67.5
Logic: ×0.5+0.5, ×1+1, ×1.5+1.5, ×2+2, ×2.5+2.5
Answer: 26
14). 4, 7, 35, 83, 146, ?
Logic: Difference of Difference of Difference: 5, 5, 5
Answer: 219
15). 521, 496, 447, 366, 245, ?
Logic: Difference of: 52, 72, 92, 112, 132
Answer: 76