Odd Man Out and Series MCQs : This section focuses on the "Odd Man Out and Series". These Multiple Choice Questions (MCQs) should be practiced to improve the Odd Man Out and Series skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Insert the missing number : 4, -8, 16, -32, 64, (....)
A. 128
B. -128
C. 192
D. -192
Question 2
Find out the wrong number in the series : 6, 12, 48, 100, 384, 768, 3072
A. 12
B. 48
C. 100
D. 384
Question 3
Find out the wrong number in the series : 196, 169, 144, 121, 100, 80, 64
A. 144
B. 121
C. 100
D. 80
Question 4
Find the odd man out. : 1, 4, 9, 16, 23, 25, 36
A. 9
B. 23
C. 25
D. 36
Question 5
Find out the wrong number in the given sequence of numbers : 125, 127, 130, 135, 142, 153, 165
A. 130
B. 142
C. 153
D. 165
Question 6
Find out the wrong number in the series : 445, 221, 109, 46, 25, 11, 4
A. 221
B. 109
C. 46
D. 25
Question 7
Insert the missing number : 1, 8, 27, 64, 125, 216, (....)
A. 354
B. 343
C. 392
D. 245
Question 8
Insert the missing number : 10, 5, 13, 10, 16, 20, 19, (....)
A. 22
B. 40
C. 38
D. 23
Question 9
Find Odd Man Out : 3, 5, 11, 14, 17, 21
A. 21
B. 17
C. 14
D. 3
Question 10
Insert the missing number : 8, 24, 12, 36, 18, 54, (....)
A. 27
B. 108
C. 68
D. 72
Question 11
Insert the missing number : 8, 7, 11, 12, 14, 17, 17, 22, (....)
A. 27
B. 20
C. 22
D. 24
Question 12
Insert the missing number : 2, 4, 12, 48, 240, (....)
A. 960
B. 1440
C. 1080
D. 1920
Question 13
Find out the wrong number in the given sequence of numbers : 52, 51, 48, 43, 34, 27, 16
A. 27
B. 34
C. 43
D. 48
Question 14
Find the odd man out. : 8, 27, 64, 100, 125, 216, 343
A. 27
B. 100
C. 125
D. 343
Question 15
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
Question 16
Find Odd Man Out : 3, 5, 7, 12, 17, 19
A. 19
B. 17
C. 12
D. 5
Question 17
Find the odd man out. : 6, 9, 15, 21, 24, 28, 30
A. 28
B. 21
C. 24
D. 30
Question 18
Insert the missing number : 1, 4, 9, 16, 25, 36, 49, (....)
A. 54
B. 56
C. 64
D. 81
Question 19
Find the odd man out. : 835, 734, 642, 751, 853, 981, 532
A. 751
B. 853
C. 981
D. 532
Question 20
Insert the missing number : 11, 13, 17, 19, 23, 29, 31, 37, 41, (....)
A. 43
B. 47
C. 53
D. 51
Question 21
Find out the wrong number in the series : 190, 166, 145, 128, 112, 100, 91
A. 190
B. 166
C. 145
D. 128
Question 22
Find the odd man out. : 1, 4, 9, 16, 20, 36, 49
A. 1
B. 9
C. 20
D. 49
Question 23
Find the odd man out. : 41, 43, 47, 53, 61, 71, 73, 81
A. 61
B. 71
C. 73
D. 81
Question 24
Find out the wrong number in the series : 64, 71, 80, 91, 104, 119, 135, 155
A. 91
B. 104
C. 119
D. 135
Question 25
Find Odd Man Out : 2, 5, 10, 17, 26, 37, 50, 64
A. 50
B. 26
C. 37
D. 64
Question 26
Find out the wrong number in the series : 10, 26, 74, 218, 654, 1946, 5834
A. 74
B. 218
C. 654
D. 1946
Question 27
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
Question 28
Find out the wrong number in the series : 1, 3, 10, 21, 64, 129, 356, 777
A. 21
B. 64
C. 129
D. 356
Question 29
Find out the wrong number in the series : 19, 26, 33, 46, 59, 74, 91
A. 26
B. 33
C. 46
D. 59
Question 30
Find out the wrong number in the series : 7, 8, 18, 57, 228, 1165, 6996
A. 8
B. 18
C. 57
D. 228
Question 31
Find out the wrong number in the given sequence of numbers : 582, 605, 588, 611, 634, 617, 600
A. 634
B. 617
C. 605
D. 600
Question 32
Find out the wrong number in the series : 15, 16, 34, 105, 424, 2124, 12756
A. 34
B. 105
C. 424
D. 2124
Question 33
Find out the wrong number in the given sequence of numbers : 4, 6, 8, 9, 10, 11, 12
A. 10
B. 11
C. 12
D. 9
Question 34
Find Odd Man Out : 16, 25, 36, 72, 144, 196, 225
A. 36
B. 72
C. 196
D. 225
Question 35
Find out the wrong number in the series : 40960, 10240, 2560, 640, 200, 40, 10
A. 40960
B. 10240
C. 2560
D. 640
Question 36
Find out the wrong number in the given sequence of numbers : 1, 2, 6, 15, 31, 56, 91
A. 31
B. 91
C. 56
D. 15
Question 37
Insert the missing number : 2, 6, 12, 20, 30, 42, 56, (....)
A. 61
B. 64
C. 72
D. 70
Question 38
Find out the wrong number in the given sequence of numbers : 8, 13, 21, 32, 47, 63, 83
A. 47
B. 63
C. 32
D. 83
Question 39
Find out the wrong number in the series : 1, 1, 2, 6, 24, 96, 720
A. 720
B. 96
C. 24
D. 2
Question 40
Insert the missing number : 5, 10, 13, 26, 29, 58, 61, (....)
A. 122
B. 64
C. 125
D. 128
Question 41
Insert the missing number : 16, 33, 65, 131, 261, (....)
A. 523
B. 521
C. 613
D. 721
Question 42
Find the odd man out. : 331, 482, 551, 263, 383, 362, 284
A. 263
B. 383
C. 362
D. 284
Question 43
Find the odd man out. : 2, 5, 10, 17, 26, 37, 50, 64
A. 50
B. 26
C. 37
D. 64
Question 44
Find the odd man out. : 396, 462, 572, 427, 671, 264
A. 396
B. 427
C. 671
D. 264
Question 45
Find out the wrong number in the series : 3, 7, 15, 39, 63, 127, 255, 511
A. 7
B. 15
C. 39
D. 63
Question 46
Find the odd man out. : 3, 5, 11, 14, 17, 21
A. 21
B. 17
C. 14
D. 3
Question 47
Find the odd man out. : 10, 14, 16, 18, 21, 24, 26
A. 26
B. 24
C. 21
D. 18
Question 48
Find out the wrong number in the given sequence of numbers : 22, 33, 66, 99, 121, 279, 594
A. 33
B. 121
C. 279
D. 594
Question 49
Insert the missing number : 15, 31, 63, 127, 255, (....)
A. 513
B. 511
C. 517
D. 523
Question 50
Find the odd man out. : 16, 25, 36, 72, 144, 196, 225
A. 36
B. 72
C. 196
D. 225
Question 51
Find out the wrong number in the series : 2880, 480, 92, 24, 8, 4, 4
A. 480
B. 92
C. 24
D. 8
Question 52
Find out the wrong number in the given sequence of numbers : 105, 85, 60, 30, 0, -45, -90
A. 0
B. 85
C. -45
D. 60
Question 53
Find the odd man out. : 10, 25, 45, 54, 60, 75, 80
A. 10
B. 45
C. 54
D. 75
Question 54
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
Question 55
Find the odd man out. : 3, 5, 7, 12, 17, 19
A. 19
B. 17
C. 5
D. 12
Question 56
Find out the wrong number in the given sequence of numbers : 1, 8, 27, 64, 124, 216, 343
A. 8
B. 27
C. 64
D. 124
Question 57
Insert the missing number : 7, 26, 63, 124, 215, 342, (....)
A. 481
B. 511
C. 391
D. -421
Question 58
Find out the wrong number in the series : 3, 7, 15, 27, 63, 127, 255
A. 7
B. 15
C. 27
D. 63
Question 59
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
Question 60
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
Question 61
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
Question 62
Insert the missing number : 3, 7, 6, 5, 9, 3, 12, 1, 15, (....)
A. 18
B. 13
C. -1
D. 3
Question 63
Find Odd Man Out : 6, 9, 15, 21, 24, 28, 30
A. 28
B. 21
C. 24
D. 30