In every SSC exams, you will find 1-2 questions in reasoning section out of this topic. It is very typical and logical topic. It requires a lot of practice and agility to perform well. Many of the students consider series completion questions very simple. However, sometimes, these get so cumbersome and difficult to understand the relation between the numbers of this series.
In this article, we have prepared a set of 20 questions inspired by the previous year papers of SSC exams with their corresponding answers. Practice them and match your responses with tabulated answers.
SSC Reasoning Free Questions: Series Completion
Directions (1-5): What should come in place of the question mark (?) in the following number series?
1. 150, 102, 70, 46, 26,
a) 16
b) 8
c) 10
d) 2
2. 10, 14, 28, 52, 134,
a) 302
b) 268
c) 300
d) 304
3. 4500, 900, 90, 6, 0.012
a) 0.3
b) 3
c) 3. 33
d) 0.33
4. 24, 11, 10, 14, 27,
a) 66
b) 70.5
c) 68
d) 66.5
5. 8, 7, 12, 33, 128,
a) 528
b) 365
c) 653
d) 635
Directions (6-10): What should come in place of the question mark (?) in the following number series?
6. 7, 5, 7 ,17 , 63, ?
a) 308
b) 302
c) 309
d) 409
7. 50 , ? , 61 , 89, 154 , 280
a) 52
b) 51
c) 60
d) 62
8. 17 , 19 , 25 , 37 , ? , 87
a) 47
b) 37
c) 57
d) 67
9. 11 , 14 ,19 , 28, 43, ?
a) 55
b) 44
c) 77
d) 66
10. 26 , 144 , 590 , 1164 , ?
a) 1296
b) 1182
c) 2059
d) 1182
Direction (11-15) Find the wrong number in the following series.
11. 40, 326, 2946 ,29418, 323607
a. 326
b. 40
c. 2946
d. 323607
12. 560 , 1089 , 1725 , 2443, 3284 , 4245
a. 2443
b. 1725
c. 4245
d. 3284
13. 3252, 3080 , 2958 , 2876 , 2826
a. 3080
b. 2876
c. 2826
d. 3252
14. 2442 , 1222 , 614 , 312 ,163 , 90 , 55.75
a. 1222
b. 312
c. 90
d. 614
15. 1250, 1322 , 1452, 1674, 2024 , 2544
a. 1322
b. 1674
c. 2544
d. 1250
Direction (16-20) Find the missing number in the given series.
16. 1953.125, 781.25, 312.5, ?, 20
a. 48
b. 49
c. 50
d. 51
17. 81, 87, 162, 504, 1992, 9990, ?
a. 59903
b. 59906
c. 56895
d. 59904
18. 49, 72, 118, ?, 394, 762, 1498
a. 234
b. 239
c. 210
d. 219
19. 142, 143, 156, 193, 272, 417, ?
a. 653
b. 658
c. 659
d. 657
20. 118, 122, 158, 206, 356, 536,
a. 956
b. 953
c. 928
d. 965
Answer Key
1 |
b |
11 |
c |
2 |
d |
12 |
b |
3 |
a |
13 |
d |
4 |
d |
14 |
c |
5 |
d |
15 |
d |
6 |
c |
16 |
c |
7 |
a |
17 |
d |
8 |
c |
18 |
c |
9 |
d |
19 |
b |
10 |
b |
20 |
c |