# Most Difficult Number Series Questions | Logical Reasoning

All Interested candidates can check the Number Series Question Papers below. Download the Series Completion Solve Methods and also, Check Test Pattern. You can also visit our site for more questions on Psychometric Test. In addition to the Mental Ability Test Previous Papers, you can also get the idea about Number Series and can make better Preparation plan.

## Number Series Sample Question Papers

Directions: In each of the following questions, a number series is given with one term with (?) marks. Find out the missing term and replace it with correct answers given below the series.

1. 3, 5, 35, 10, 12, 35, ?, ?
(a) 19, 35
(b) 17, 19
(c) 19, 24
(d) 22, 35

2. 121, 225, 362, ?
(a) 529
(b) 625
(c) 698
(d) 36

3. 36, 34, 30, 28, 24, ?
(a) 20
(b) 26
(c) 22
(d) 23

4. 1, 2, 4, 7, ?, 16
(a) 14
(b) 8
(c) 11
(d) 15

5. 325, 259, 204, 160, 127, 105, ?
(a) 94
(b) 96
(c) 98
(d) 100

6. 19, 2, 38, 3, 114, 4, ?
(a) 48
(b) 498
(c) 456
(d) 254

7. 0.15, 0.3, ?, 1.2, 2.4
(a) 0.6
(b) 0.9
(c) 0.06
(d) 4.8

8. 3, 6, 18, 72, ?
(a) 360
(b) 3987
(c) 254
(d) 6

9. 3, 8, 10, 15, 17, 22, 24, ?, ?
(a) 26, 28
(b) 29, 31
(c) 29, 32
(d) 29, 34

10. 7, 10, 19, 22, 31, ?
(a) 32
(b) 34
(c) 36
(d) 44

11. 1, 5, 13, 25, 41, 61, ?
(a) 85
(b) 77
(c) 81
(d) 91

12. 21, 25, 33, 49, 81, ?
(a) 145
(b) 155
(c) 165
(d) 175

13. 1, 16, 81, 256, 625, ?
(a) 1225
(b) 4163
(c) 2225
(d) 1296

14. 12, 32, 72, 152, ?
(a) 256
(b) 312
(c) 259
(d) 987

15. 361, ?, 169, 121, 49, 25
(a) 196
(b) 256
(c) 324
(d) 289

16. 2, 15, 41, 80, ?
(a) 132
(b) 365
(c) 987
(d) 2

17. 127, 131, 139, ?, 151, 157, 163, 167
(a) 149
(b) 147
(c) 141
(d) 143

18. 8, 10, 14, 18, ?, 34, 50 66
(a) 20
(b) 36
(c) 26
(d) 4

19. 1, 1, 2, 3, 5, ?, 13, 21
(a) 6
(b) 9
(c) 7
(d) 8

20. 1, 2, 6, 24, ?
(a) 120
(b) 240
(c) 360
(d) 480