SSC Reasoning Free Practice Set: Series Completion (Set-3)

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

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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