Explore topic-wise MCQs in Series Completion.

This section includes 47 Mcqs, each offering curated multiple-choice questions to sharpen your Series Completion knowledge and support exam preparation. Choose a topic below to get started.

1.

240, ?, 120, 40, 10, 2.
A. 180
B. 240
C. 420
D. 480
Answer» C. 420
Discussion
2.

5, 7, 13, 23,

A. 25
B. 27
C. 29
D. 41
Answer» E.
Discussion
3.

4, 9, 25, 49, 121, 169,

A. 324
B. 289
C. 225
D. 196
Answer» C. 225
Discussion
4.

1, 2, 6, 15, 31, 56, 91
A. 31
B. 15
C. 56
D. 91
E. 2
Answer» E. 2
Discussion
5.

16, 24, 36, 81
A. 52
B. 54
C. 56
D. 58
Answer» C. 56
Discussion
6.

55, 50, 45, 40, .30
A. 33
B. 34
C. 35
D. 36
Answer» D. 36
Discussion
7.

3,6,9,12,15, . 21
A. 16
B. 17
C. 20
D. 18
Answer» E.
Discussion
8.

5, 20, 80, 320, 1280
A. 5120
B. 5220
C. 4860
D. 3642
Answer» B. 5220
Discussion
9.

4, 8, 16, 32, 64 256
A. 128
B. 98
C. 86
D. 106
Answer» B. 98
Discussion
10.

1000, 8000, 27000, 64000, .
A. 21600
B. 125000
C. 152000
D. 261000
Answer» C. 152000
Discussion
11.

90, 380, 870, 1560, ..
A. 2405
B. 2450
C. 2400
D. 2455
Answer» C. 2400
Discussion
12.

Which number would replace the question mark (?) in the series 2, 7, 14, 23, ?, 47
A. 28
B. 34
C. 31
D. 38
E. None
Answer» C. 31
Discussion
13.

0, 2, 6, 12, 20, .42
A. 25
B. 30
C. 32
D. 40
Answer» C. 32
Discussion
14.

1, 8, 27, 64, . 216
A. 125
B. 512
C. 215
D. 122
Answer» B. 512
Discussion
15.

Which is the number that should come next in the following series? 4, 6, 12, 14, 28, 30,

A. 32
B. 64
C. 62
D. 60
E. None
Answer» E. None
Discussion
16.

990, 7980, 26970, 63960, .
A. 124500
B. 124005
C. 120045
D. 124950
Answer» E.
Discussion
17.

0, 6, 24, 60, . 210
A. 012
B. 210
C. 201
D. 120
Answer» E.
Discussion
18.

5,6,9, 15, ?, 40
A. 21
B. 25
C. 27
D. 33
Answer» C. 27
Discussion
19.


1, 9, 25, 49, ?, 121
A. 64
B. 81
C. 91
D. 100
Answer» C. 91
Discussion
20.

In the series 2, 6, 18, 54, what will be the 8th term ?
A. 4370
B. 4374
C. 7443
D. 7434
Answer» C. 7443
Discussion
21.


2,15,41,80,?
A. 111
B. 120
C. 121
D. 132
Answer» E.
Discussion
22.

19, 2, 38, 3, 114, 4, ?
A. 214
B. 228
C. 256
D. 352
E. 456
Answer» F.
Discussion
23.

1, 2, 3, 6, 9, 18, 34, ?
A. 25
B. 27
C. 36
D. 48
E. 81
Answer» C. 36
Discussion
24.

77, 49, 36, 18, ?
A. 9
B. 16
C. 4
D. 8
E. 3
Answer» E. 3
Discussion
25.

2, 3, 5, 7, 11, ?, 17
A. 12
B. 13
C. 14
D. 15
E. 16
Answer» C. 14
Discussion
26.

5, 11, 17, 25, 33, 43,

A. 49
B. 51
C. 52
D. 53
E. None of these
Answer» E. None of these
Discussion
27.

1, 4, 9, 16, 25, ?
A. 34
B. 36
C. 48
D. 49
E. 64
Answer» C. 48
Discussion
28.

15, 31, 63, 127, 255,

A. 513
B. 511
C. 517
D. 523
E. None of these
Answer» C. 517
Discussion
29.

11, 13, 17, 19, 23, 29, 31, 37, 41,

A. 43
B. 47
C. 51
D. 53
E. None of these
Answer» B. 47
Discussion
30.

4, 9, 13, 22, 35,

A. 57
B. 70
C. 63
D. 75
E. None of these
Answer» B. 70
Discussion
31.

Find the wrong number in the series. 7, 28, 63, 124, 215, 342
A. 7
B. 28
C. 124
D. 215
E. None
Answer» C. 124
Discussion
32.

21, 25, 33, 49, 81, ?
A. 144
B. 145
C. 129
D. 113
E. 97
Answer» C. 129
Discussion
33.

1010, 8020, 27030, 64040, .
A. 125500
B. 125050
C. 100255
D. 120055
Answer» C. 100255
Discussion
34.

2, 10, 30, 68, .222
A. 130
B. 120
C. 110
D. 100
Answer» B. 120
Discussion
35.

2, 6, 12, 20, 30, . 56
A. 32
B. 34
C. 42
D. 24
Answer» D. 24
Discussion
36.

110, 132, 156, 182, .
A. 212
B. 201
C. 211
D. 210
Answer» E.
Discussion
37.

99, 80, 63, .35
A. 48
B. 84
C. 46
D. 64
Answer» C. 46
Discussion
38.

3, 8, 15, 24, 48
A. 32
B. 33
C. 34
D. 35
Answer» E.
Discussion
39.

101, 401, 901, 1601, 2501, . 4901
A. 2201
B. 3301
C. 4401
D. 3601
Answer» E.
Discussion
40.

17, 26, 37, 50, 65, .101
A. 82
B. 75
C. 78
D. 90
Answer» B. 75
Discussion
41.

999, 7999, 26999, 63999, .
A. 199924
B. 124999
C. 129994
D. 999124
Answer» C. 129994
Discussion
42.

0, 7, 26, 63, 124,

A. 251
B. 125
C. 215
D. 512
Answer» E.
Discussion
43.

1001, 8001, 27001, 64001, 125001,

A. 261001
B. 216001
C. 200116
D. 210016
Answer» C. 200116
Discussion
44.

2, 9, 28, 65, 217
A. 123
B. 124
C. 125
D. 126
Answer» E.
Discussion
45.

1, 4, 9, 16, 25, 36, 49, 81
A. 100
B. 121
C. 64
D. 144
Answer» D. 144
Discussion
46.

4, 16, 36, 64, . 144
A. 112
B. 78
C. 100
D. 81
Answer» D. 81
Discussion
47.

5040, 720, 120, 24, .2,1
A. 8
B. 7
C. 6
D. 5
Answer» D. 5
Discussion