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 !!!
Questions Penned by Yogit
- 10 24 64 268 1324 ?
a) 7922
b) 7924
c) 7964
d) 7932
e) None of these
Answer & Explanation
Answer – c) 7964
Explanation :
(10 * 2 + 4) = 24
(24 * 3 – 8) = 64
(64 * 4 + 12) = 268
(268 * 5 -16) = 1324
(1324 * 6 + 20) = 7964
- 20 20 10 30 7.5 37.5 ?
a) 3.25
b) 6.25
c) 9
d) 12.25
e) None of these
Answer & Explanation
Answer – b) 6.25
Explanation :
(20 * 1) = 20
(20 ÷ 2) = 10
(10*3) = 30
(30 ÷ 4) = 7.5
(7.5 * 5) = 37.5
(37.5 ÷ 6) = 6.25
- 147 151 160 176 201 ?
a) 233
b) 237
c) 239
d) 241
e) None of these
Answer & Explanation
Answer – b) 237
Explanation :
(147+ 2^2) = 151
(151 + 3^2) = 160
(160 +4^2) = 176
(176 + 5^2) = 201
(201 + 6^2) = 237
- 7 28 63 126 215 344 ?
a) 512
b) 513
c) 511
d) 514
e) None of these
Answer & Explanation
Answer – c) 511
Explanation :
(2^3 – 1) = 7
(3^3 + 1) = 28
(4^3 – 1) = 63
(5^3 + 1) = 126
(6^3 – 1) = 215
(7^3 +1) = 344
(8^3 – 1) = 511
- 50 51 51 53 106 109 327 ?
a) 332
b) 333
c) 345
d) 349
e) None of these
Answer & Explanation
Answer – e) None of these
Explanation :
(50 +1) = 51
(51 ×1) = 51
(51 +2) = 53
(53 ×2) = 106
(106 +3) = 109
(109*3) = 327
(327 + 4) = 331
- 26 25 26 31 42 61 ?
a) 80
b) 90
c) 100
d) 110
e) None of these
Answer & Explanation
Answer –b) 90
Explanation :
26 +(1^2 – 2) = 25
25 +(2^2 – 3) = 26
26 + (3^2 – 4) = 31
31 + ( 4^2 – 5) = 42
42 + (5^2 – 6) = 61
61 + (6^2 – 7) = 90
- 1000 992 1019 955 1080 ?
a) 880
b) 882
c) 864
d) 890
e) None of these
Answer & Explanation
Answer – c) 864
Explanation :
(1000 – 2^3) = 992
(992 + 3^3) = 1019
(1019- 4^3) = 955
(955 + 5^3) = 1080
(1080 – 6^3) = 864
- 92 90 172 492 1904 ?
a) 9360
b) 9340
c) 9350
d) 9456
e) None of these
Answer & Explanation
Answer – a) 9360
Explanation :
(92 – 2)*1 = 90
(90 – 4)*2 = 172
(172 – 8)*3 = 492
(492 – 16)*4 = 1904
(1904 – 32)*5 = 9360
- 512 523 545 589 677 ?
a) 853
b) 953
c) 753
d) 653
e) None of these
Answer & Explanation
Answer – a) 853
Explanation :
512 + 11 = 523
523 + 22 = 545
545 + 44 = 589
589 + 88 = 677
677 + 176 = 853
- 16 18 30 60 116 206 ?
a) 330
b) 332
c) 334
d) 338
e) None of these
Answer & Explanation
Answer – d) 338
Explanation :
16 + (1^2 + 1) = 18
18 + (3^2 + 3) = 30
30 + (5^2 + 5) = 60
60 + (7^2 + 7) = 116
116 + (9^2 + 9) = 206
206 + (11^2 +11) = 338
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