Explore topic-wise MCQs in Odd Man Out & Series.

This section includes 59 Mcqs, each offering curated multiple-choice questions to sharpen your Odd Man Out & Series knowledge and support exam preparation. Choose a topic below to get started.

1.

Find out the wrong number in the series. 10, 26, 74, 218, 654, 1946, 5834

A. 26
B. 74
C. 218
D. 654
Answer» E.
2.

Find out the wrong number in the series. 2880, 480, 92, 24, 8, 4, 4

A. 480
B. 92
C. 24
D. 8
Answer» C. 24
3.

Find out the wrong number in the series. 3, 7, 15, 27, 63, 127, 255

A. 7
B. 15
C. 27
D. 63
Answer» D. 63
4.

Find out the wrong number in the series. 15, 16, 34, 105, 424, 2124, 12756

A. 16
B. 34
C. 105
D. 2124
Answer» E.
5.

Find the odd man out. 835, 734, 642, 751, 853, 981, 532

A. 751
B. 853
C. 981
D. 532
Answer» B. 853
6.

Find the odd man out. 16, 25, 36, 72, 144, 196, 225

A. 36
B. 72
C. 196
D. 225
Answer» C. 196
7.

Find the odd man out. 331, 482, 551, 263, 383, 362, 284

A. 263
B. 383
C. 331
D. 551
Answer» C. 331
8.

Find the odd man out. 2, 5, 10, 17, 26, 37, 50, 64

A. 50
B. 26
C. 37
D. 64
Answer» E.
9.

Find the odd man out. 10, 14, 16, 18, 21, 24, 26

A. 26
B. 24
C. 21
D. 18
Answer» D. 18
10.

Find the odd man out. 1, 4, 9, 16, 23, 25, 36

A. 9
B. 23
C. 25
D. 36
Answer» C. 25
11.

Find the odd man out. 1, 4, 9, 16, 20, 36, 49

A. 1
B. 9
C. 20
D. 49
Answer» D. 49
12.

Find the odd man out. 10, 25, 45, 54, 60, 75, 80

A. 10
B. 45
C. 54
D. 75
Answer» D. 75
13.

Find the odd man out. 396, 462, 572, 427, 671, 264

A. 396
B. 427
C. 671
D. 264
Answer» C. 671
14.

Find the odd man out. 6, 9, 15, 21, 24, 28, 30

A. 28
B. 21
C. 24
D. 30
Answer» B. 21
15.

Find out the wrong number in the series 3, 7, 15, 39, 63, 127, 255, 511

A. 7
B. 15
C. 39
D. 63
Answer» D. 63
16.

Find out the wrong number in the series 64, 71, 80, 91, 104, 119, 135, 155

A. 71
B. 80
C. 104
D. 135
Answer» E.
17.

Find the odd man out. 8, 27, 64, 100, 125, 216, 343

A. 27
B. 100
C. 125
D. 343
Answer» C. 125
18.

Find the odd man out. 3, 5, 11, 14, 17, 21

A. 21
B. 17
C.
D. D.
Answer» D. D.
19.

Find out the wrong number in the series 40960, 10240, 2560, 640, 200, 40, 10

A. 640
B. 40
C.
D. D.
Answer» D. D.
20.

Find out the wrong number in the series 6, 12, 48, 100, 384, 768, 3072

A. 768
B. 384
C. 100
D. 48
Answer» D. 48
21.

Find out the wrong number in the series 1, 3, 10, 21, 64, 129, 356, 777

A. 10
B. 21
C. 64
D. 356
Answer» E.
22.

Find out the wrong number in the series 19, 26, 33, 46, 59, 74, 91

A. 26
B. 33
C. 46
D. 59
Answer» C. 46
23.

Find out the wrong number in the series 190, 166, 145, 128, 112, 100, 91

A. 100
B. 166
C. 145
D. 128
Answer» E.
24.

Find out the wrong number in the series 445, 221, 109, 46, 25, 11, 4

A. 221
B. 109
C. 46
D. 25
Answer» D. 25
25.

Find out the wrong number in the series 1, 1, 2, 6, 24, 96, 720

A. 720
B. 96
C. 24
D. 6
Answer» C. 24
26.

Find out the wrong number in the series 196, 169, 144, 121, 100, 80, 64

A. 169
B. 144
C. 121
D. 80
Answer» E.
27.

Find out the wrong number in the series 7, 8, 18, 57, 228, 1165, 6996

A. 8
B. 18
C. 57
D. 228
Answer» E.
28.

Insert the missing number 3, 7, 6, 5, 9, 3, 12, 1, 15, (....)

A. 18
B. 13
C. -1
D. D.
Answer» D. D.
29.

Insert the missing number 1, 4, 9, 16, 25, 36, 49, (....)

A. 54
B. 56
C. 64
D. 81
Answer» D. 81
30.

Insert the missing number 10, 5, 13, 10, 16, 20, 19, (....)

A. 22
B. 40
C. 38
D. 23
Answer» C. 38
31.

Find out the wrong number in the given sequence of numbers 25, 36, 49, 81, 121, 169, 225

A. 36
B. 49
C. 121
D. 169
Answer» B. 49
32.

Find out the wrong number in the given sequence of numbers 36, 54, 18, 27, 9, 18.5, 4.5

A. 4.5
B. 18.5
C. 54
D. 18
Answer» C. 54
33.

Find out the wrong number in the given sequence of numbers 56, 72, 90, 110, 132, 150

A. 72
B. 110
C. 132
D. 150
Answer» E.
34.

Find out the wrong number in the given sequence of numbers 46080, 3840, 384, 48, 24, 2, 1

A. 1
B. 2
C. 24
D. 384
Answer» D. 384
35.

Find out the wrong number in the given sequence of numbers 6, 13, 18, 25, 30, 37, 40

A. 25
B. 30
C. 37
D. 40
Answer» E.
36.

Find out the wrong number in the given sequence of numbers 125, 127, 130, 135, 142, 153, 165

A. 130
B.
C. C.
D. D.
Answer» E.
37.

Find out the wrong number in the given sequence of numbers 5, 16, 6, 16, 7, 16, 9

A. 9
B. 7
C. 6
D. None of these
Answer» B. 7
38.

Insert the missing number 15, 31, 63, 127, 255, (....)

A. 513
B. 511
C. 517
D. 523
Answer» C. 517
39.

Insert the missing number 5, 10, 13, 26, 29, 58, 61, (....)

A. 122
B. 64
C. 125
D. 128
Answer» B. 64
40.

Insert the missing number 7, 26, 63, 124, 215, 342, (....)

A. 481
B. 511
C. 391
D. 421
Answer» C. 391
41.

Insert the missing number 2, 6, 12, 20, 30, 42, 56, (....)

A. 61
B. 64
C. 72
D. 70
Answer» D. 70
42.

Insert the missing number 4, -8, 16, -32, 64, (....)

A. 128
B. -128
C. 192
D. -192
Answer» C. 192
43.

Insert the missing number 8, 24, 12, 36, 18, 54, (....)

A. 27
B. 108
C. 68
D. 72
Answer» B. 108
44.

Insert the missing number 8, 7, 11, 12, 14, 17, 17, 22, (....)

A. 27
B. 20
C. 22
D. 24
Answer» C. 22
45.

Insert the missing number 2, 4, 12, 48, 240, (....)

A. 960
B. 1440
C. 1080
D. 1920
Answer» C. 1080
46.

Insert the missing number 11, 13, 17, 19, 23, 29, 31, 37, 41, (....)

A. 43
B.
C. C.
D. D.
Answer» B.
47.

Insert the missing number 1, 8, 27, 64, 125, 216, (....)

A. 354
B. 343
C. 392
D. 245
Answer» C. 392
48.

Insert the missing number 16, 33, 65, 131, 261, (....)

A. 523
B. 521
C. 613
D. 721
Answer» B. 521
49.

Find out the wrong number in the given sequence of numbers 4, 6, 8, 9, 10, 11, 12

A. 10
B. 11
C.
D. D.
Answer» C.
50.

Find out the wrong number in the given sequence of numbers 105, 85, 60, 30, 0, -45, -90

A. 85
B. -45
C. C.
Answer» A. 85