# Aptitude Questions: Number Series Set 45

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 !!!

Directions(1-10) : In these questions, a number series is given. Find out the missing number.

1. 13, 7, 6, 14, 52, ?
A. 482
B. 476
C. 466
D. 424
E. 460
Explanation :
13 * 0.5 + 0.5 = 7
7 * 1 – 1 = 6
6 * 2 + 2 = 14

2. 139, 142, 133, 160, 79,?
A. 326
B. 322
C. 331
D. 340
E. 355
Explanation :
139 + 3 = 142
142 – 9 = 133
133 + 27 = 160….

3. 10, 16, 27, 48, 84, ?
A. 138
B. 153
C. 166
D. 140
E. 135
Explanation :
16 – 10 = 6
27 – 16 = 11
48 – 27 = 21; 11 – 6 = 5, 21 – 11 = 10….

4. 66, 77, 63, 73, 60, ?
A. 66
B. 69
C. 61
D. 64
E. 63
Explanation :
66 – 63 = 3
77 – 73 = 4
63 – 60 = 3….

5. 16, 9, 8, 13, 25, ?
A. 64.5
B. 59.5
C. 63.5
D. 68.5
E. 61.5
Explanation :
16 * 0.5 + 1 = 9
9 * 1 – 1 = 8
8 * 1.5 + 1 = 13

6. 11, 12, 22, 69, 272 ?
A. 1365
B. 1368
C. 1324
D. 1325
E. 1329
Explanation :
11 * 1 + 1 = 12
12 * 2 – 2 = 22
22 * 3 + 3 = 69

7. 11, 13, 16, 33, 96, ?
A. 358
B. 354
C. 386
D. 366
E. 353
Explanation :
11 + 1² + 1= 13
13 + 2² – 1= 16
16 + 4² + 1= 33……..

8. 4, 21, 120, 595, 2376 ?
A. 7125
B. 7035
C. 7085
D. 7055
E. 7115
Explanation :
4*7 -7 = 21
21*6 -6 = 120
120*5 -5 = 595.

9. 64, 66, 75, 103, 168, ?
A. 282
B. 294
C. 286
D. 295
E. 288
Explanation :
64 + (1³ + 1) = 66
66 + (2³ + 1) = 75
75 + (3³ + 1) = 103

10. 13, 25, 39, 57, 83, ?
A. 122
B. 124
C. 126
D. 120
E. 125