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Practice Questions on Number Series for CLAT 2025

RU
Ruchika Mohapatra
5 May 20242 min read

Questions on Number Series

1. Find the next number in the series: 2, 6, 12, 20,… ?
a) 30
b) 28
c) 40
d) 24
2. Find the next number in the series: 1, 4, 9, 16,… ?
a) 20
b) 24
c) 25
d) 36
3. Find the next number in the series: 1, 1, 2, 3, 5,… ?
a) 8
b) 7
c) 10
d) 6
4. Find the next number in the series: 5, 11, 23, 47,… ?
a) 95
b) 89
c) 85
d) 100
5. Find the next number in the series: 8, 24, 48, 80,… ?
a) 120
b) 128
c) 112
d) 100
6. Find the next number in the series: 1, 3, 10, 21,… ?
a) 34
b) 36
c) 43
d) 46
7. Find the next number in the series: 13, 20, 37, 74,…?
a) 100
b) 111
c) 81
d) 147
8. Find the next number in the series: 6, 9, 15, 24,… ?
a) 36
b) 39
c) 30
d) 42
9. Find the next number in the series: 7, 14, 28, 35, 70,… ?
a) 105
b) 84
c) 98
d) 112
10. Find the next number in the series: 7, 12, 19, 28,… ?
a) 39
b) 40
c) 41
d) 45
11. Find the next number in the series: 10, 17, 26, 37,… ?
a) 40
b) 45
c) 50
d) 48
12. Find the next number in the series: 1, 2, 6, 24,… ?
a) 120
b) 36
c) 48
d) 18
13. Find the next number in the series: 1, 3, 7, 15, ?
a) 30
b) 31
c) 28
d) 32
14. Find the next number in the series: 8, 10, 18, 36,… ?
a) 60
b) 72
c) 54
d) 40
15. Find the next number in the series: 21, 34, 55, 89,… ?
a) 134
b) 143
c) 144
d) 123
16. Find the next number in the series: 13, 25, 50, 100,… ?
a) 200
b) 150
c) 75
d) 110
17. Find the next number in the series: 3, 6, 10, 15,…?
a) 27
b) 25
c) 21
d) 24
18. Find the next number in the series: 15, 19, 27, 43,… ?
a) 59
b) 61
c) 71
d) 63
19. Find the next number in the series: 7, 10, 14, 19,…?
a) 25
b) 24
c) 29
d) 28
20. Find the next number in the series: 8, 12, 20, 36,… ?
a) 60
b) 68
c) 72
d) 76

ANSWERS

  1. B
  2. C
  3. A
  4. B
  5. D
  6. B
  7. D

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RU
Ruchika Mohapatra
Contributing author
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Questions on Number SeriesANSWERSFor more Questions on Number Series, click here!
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RU
Written by
Ruchika Mohapatra
B
  • A
  • A
  • C
  • A
  • B
  • B
  • C
  • A
  • C
  • D
  • A
  • C
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