Hello Aspirants. Welcome to Online Quantitative Aptitude Section in AffairsCloud.com. Here we are creating question sample in Number Series, which is common for all the competitive exams. We have included Some questions that are repeatedly asked in bank exams !!!
Bank PO Level Questions :-
- 8 10 18 44 124 ?
A. 364
B. 366
C. 362
D. 361
E. None of these
Answer & Explanation
Answer – B. 366
Explanation :
8 + 2 = 10
10 + 8(= 3 * 2 + 2) = 18
18 + 26(= 3 * 8 + 2) = 44
44 + 80(= 3 * 26 + 2) = 124
124 + 242(= 3 * 80 + 2) = 366
- 13 25 61 121 205 ?
A. 310
B. 312
C. 314
D. 313
E. None of these
Answer & Explanation
Answer – D. 313
Explanation :
13 + (1 * 12) = 13 + 12 = 25
25 + (3 * 12) = 25 + 36 = 61
61 + (5 * 12) = 61 + 60 = 121
121 + (7 * 12) = 121 + 84 = 205
205 + (9 * 12) = 205 + 108 = 313
- 12 18 36 102 360 ?
A. 1186
B. 1286
C. 1386
D. 1486
E. None of these
Answer & Explanation
Answer – C. 1386
Explanation :
(12 * 4) – 30 = 48 – 30 = 18
(18 * 4) – 36 = 72 – 36 = 36
(36 * 4) – 42 = 144 – 42 = 102
(102 * 4) – 48 = 408 – 48 = 360
(360 * 4) – 54 = 1440 – 54 = 1386
- 13 21 36 58 87 ?
A. 133
B. 123
C. 143
D. 113
E. None of these
Answer & Explanation
Answer – B. 123
Explanation :
13 + 8 = 21
21 + 8 + 7 = 21 + 15 = 36
36 + 15 + 7 = 36 + 22 = 58
58 + 22 + 7 = 58 + 29 = 87
87 + 29 + 7 = 87 + 36 = 123
- 5 7 13 25 45 ?
A. 78
B. 70
C. 65
D. 55
E. None of these
Answer & Explanation
Answer – E. None of these
Explanation :
5 + 1 * 2 = 7
7 + 2 * 3 = 13
13 + 3 * 4 = 25
25 + 4 * 5 = 45
45 + 5 * 6 = 75
- 13 16 22 33 51 ?
A. 72
B. 74
C. 70
D. 76
E. None of these
Answer & Explanation
Answer – E. None of these
Explanation :
13 + 3 = 16
13 + 3 + 3 = 22
22 + 6 + 5 = 33
33 + 11 + 7 = 51
51 + 18 + 9 = 78
- 435 354 282 219 165 ?
A. 112
B. 109
C. 110
D. 120
E. None of these
Answer & Explanation
Answer – D. 120
Explanation :
435 – (9*9) = 354
354 – (9*8) = 282
282 – (9*7) = 219
219 – (9*6) = 165
165 – (9*5) = 120
- 27 38 71 126 203 ?
A. 312
B. 305
C. 302
D. 315
E. None of these
Answer & Explanation
Answer – C. 302
Explanation :
27 + 11 = 38
38 + 33 = 71
71 + 55 = 126
126 + 77 = 203
203 + 99 = 302
- 4 11 25 53 109 ?
A. 221
B. 224
C. 220
D. 223
E. None of these
Answer & Explanation
Answer – A. 221
Explanation :
4 + (1 * 7) = 11
11 + (2 * 7) = 25
25 + (4 * 7) = 53
53 + (8 * 7) = 109
109 + (16 * 7) = 221
- 33 43 65 99 145 ?
A. 103
B. 209
C. 203
D. 109
E. None of these
Answer & Explanation
Answer – C. 203
Explanation :
33 + 10 = 43
43 + (10 + 12) = 65
65 + (10 + 24) = 99
99 + (10 + 36) = 145
145 + (10 + 48) = 203
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