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Dear Friends,
Here we are with the memory based questions based on number series which were asked in today’s IBPS RRB Office Assistant Exam.
1). 7, 7, 10, 18, ? 57
Logic: Difference of Difference: 3, 5, 7
Answer: 33
2). 7, 8, 16, 43, 107, ?
Logic: Difference of 13, 23, 33, 43, 53
Answer: 232
3).98, 111, 85, 137, ? 241
Logic: Difference of: +13, -26, +52, -104, +208
Answer: 33
4).6, 5, 8, 21, 80, ?
Logic: 6×1-1, 5×2-2, 8×3-3, 21×4-4, 80×5-5
Answer: 395
5).10, 4, 3, 3.5, 6 ,?
Logic: 10×0.5-1, 4×1-1, 3×1.5+1, 3.5×2-1, 6×2.5-1
Answer: 14
6). 6,8,13,23,?,66
Logic: Difference of Difference 3, 5, 7
Answer: 40
7). 7,8,18,57,232,?
Logic: *1+1 ,*2+ 2, *3+3
Answer: 1165
8). 8,5,6,10,21,?
Logic:*0.5 +1, *1+1, *1.5 +1
Answer: 53.5
9). 4,18,46,102,?,438
Logic: difference 14,28,56
Answer: 214
10). 109,110,102,129,65,?
Logic: Difference of +13, -23, +33, -43, +53
Answer: 190
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