Explore topic-wise MCQs in Mental Ability.

This section includes 427 Mcqs, each offering curated multiple-choice questions to sharpen your Mental Ability knowledge and support exam preparation. Choose a topic below to get started.

101.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 6, 13, 20, 27, ?_x005F_x000D_

A. 34
B. 32
C. 37
D. 43
Answer» B. 32
102.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 58, 61, 65, 70, ?, 83

A. 77
B. 76
C. 78
D. 75
Answer» C. 78
103.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 57, 54, 48, 39, ?, 12_x005F_x000D_

A. 27
B. 30
C. 25
D. 22
Answer» B. 30
104.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 567, 189, 63, ?, 7_x005F_x000D_

A. 21
B. 30
C. 29
D. 31
Answer» B. 30
105.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 56, 70, 98, 140, 196, ?_x005F_x000D_

A. 236_x005F_x000D_
B. 256_x005F_x000D_
C. 266_x005F_x000D_
D. 206
Answer» D. 206
106.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 5, 9, 13, 17, 21, ?_x005F_x000D_

A. 32
B. 26
C. 25
D. 29
Answer» D. 29
107.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 5, 9, 13, 17, ?_x005F_x000D_

A. 19
B. 25
C. 21
D. 24
Answer» D. 24
108.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 52, 41, 32, 25, ?, 17_x005F_x000D_

A. 21_x005F_x000D_
B. 20_x005F_x000D_
C. 18_x005F_x000D_
D. 19
Answer» C. 18_x005F_x000D_
109.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 46, 45, 43, 42, 40, 39, ?_x005F_x000D_

A. 35
B. 36
C. 38
D. 37
Answer» E.
110.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 44, 40, 36, ?, 28, 24_x005F_x000D_

A. 30
B. 32
C. 34
D. 29
Answer» C. 34
111.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 39, 40, 42, 43, 45, ?_x005F_x000D_

A. 47_x005F_x000D_
B. 46_x005F_x000D_
C. 48_x005F_x000D_
D. 49
Answer» C. 48_x005F_x000D_
112.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 42, 21, 21, ?, 63, 157.5_x005F_x000D_

A. 30.75
B. 32.5
C. 31.5
D. 33.75
Answer» D. 33.75
113.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 41, 54, 67, ?, 93_x005F_x000D_

A. 80
B. 82
C. 74
D. 90
Answer» B. 82
114.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 32, 36, 42, 50, 60, ?_x005F_x000D_

A. 72_x005F_x000D_
B. 70_x005F_x000D_
C. 78_x005F_x000D_
D. 68
Answer» B. 70_x005F_x000D_
115.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 3, 5, 7, 9, ?_x005F_x000D_

A. 10
B. 11
C. 12
D. 13
Answer» C. 12
116.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 3, 5, 7, 11, 13, ?_x005F_x000D_

A. 19
B. 21
C. 17
D. 29
Answer» D. 29
117.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 3, 4, 6, 9, 13, ?_x005F_x000D_

A. 17
B. 20
C. 18
D. 21
Answer» D. 21
118.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 29, 32, 38, 41, 47, ?_x005F_x000D_

A. 52
B. 53
C. 50
D. 49
Answer» D. 49
119.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 25, 33, 42, 52, 63, ?_x005F_x000D_

A. 70_x005F_x000D_
B. 75_x005F_x000D_
C. 73_x005F_x000D_
D. 78
Answer» C. 73_x005F_x000D_
120.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 23, 29, 24, 30, 25, ?_x005F_x000D_

A. 30
B. 31
C. 26
D. 28
Answer» C. 26
121.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 23, 28, 34, 41, 49, ?_x005F_x000D_

A. 57
B. 59
C. 56
D. 58
Answer» E.
122.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 23, 23, 46, 138, 552, ?_x005F_x000D_

A. 2760
B. 3040
C. 2560
D. 2420
Answer» B. 3040
123.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 23, 24, 26, 27, 29, ?_x005F_x000D_

A. 31
B. 30
C. 33
D. 32
Answer» C. 33
124.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 23, 19, 15, 11, ?_x005F_x000D_

A. 3
B. 9
C. 5
D. 7
Answer» E.
125.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 21, 25, 34, 50, ?, 111_x005F_x000D_

A. 80_x005F_x000D_
B. 75_x005F_x000D_
C. 65_x005F_x000D_
D. 92
Answer» C. 65_x005F_x000D_
126.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 2, 4, 6, 8, ?, 12_x005F_x000D_

A. 12
B. 10
C. 9
D. 11
Answer» C. 9
127.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 21, 11, 32, 43, 75, ?_x005F_x000D_

A. 125
B. 153
C. 118
D. 97
Answer» D. 97
128.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 2, 5, 9, 14, 20, ?_x005F_x000D_  _x005F_x000D_

A. 26
B. 27
C. 30
D. 31
Answer» C. 30
129.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 2, 3, 4, 9, 16, 29, 54, ?_x005F_x000D_

A. 109_x005F_x000D_
B. 99_x005F_x000D_
C. 87_x005F_x000D_
D. 117
Answer» C. 87_x005F_x000D_
130.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 192, 186, 180, 174, ?, 162

A. 166
B. 168
C. 164
D. 170
Answer» C. 164
131.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 18, 37, 76, 155, 314, ?_x005F_x000D_

A. 633_x005F_x000D_
B. 628_x005F_x000D_
C. 537_x005F_x000D_
D. 528
Answer» B. 628_x005F_x000D_
132.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 19, 26, 40, 61, ?, 124_x005F_x000D_

A. 89
B. 82
C. 65
D. 98
Answer» B. 82
133.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 19, 21, 25, 27, 31, ?_x005F_x000D_

A. 35_x005F_x000D_
B. 32
C. 33
D. 39
Answer» D. 39
134.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 178, 172, 166, 160, ?, 148_x005F_x000D_

A. 156
B. 154
C. 152
D. 158
Answer» C. 152
135.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 17, 20, 23, 26, 29, ?_x005F_x000D_  _x005F_x000D_

A. 31
B. 34
C. 30_x005F_x000D_
D. 32
Answer» E.
136.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 15, 7.5, 7.5, ?, 22.5, 56.25_x005F_x000D_

A. 10.25
B. 11.25_x005F_x000D_
C. 11
D. 12.5
Answer» C. 11
137.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 15, 22, 31, 42, 55, ?_x005F_x000D_

A. 60_x005F_x000D_
B. 68_x005F_x000D_
C. 70_x005F_x000D_
D. 74
Answer» D. 74
138.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 15, 21, 28, 34, ?, 47_x005F_x000D_

A. 41
B. 40
C. 44
D. 43
Answer» B. 40
139.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 147, 153, 159, ?, 171, 177_x005F_x000D_

A. 161
B. 164
C. 168
D. 165
Answer» E.
140.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 144, 139, 133, 128, ?, 117, 111_x005F_x000D_

A. 124
B. 123
C. 122
D. 126
Answer» D. 126
141.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 147, 149, 152, 156, 161, ?_x005F_x000D_

A. 168
B. 167
C. 166
D. 165
Answer» C. 166
142.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 14, 19, 26, 37, 50, 67, ?_x005F_x000D_

A. 83
B. 77
C. 86
D. 93
Answer» D. 93
143.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 14, 17, 21, 24, 28, 31, ?_x005F_x000D_

A. 32
B. 33
C. 34
D. 35
Answer» E.
144.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 14, 14, 21, 42, 105, ?_x005F_x000D_

A. 285
B. 315
C. 305
D. 215
Answer» C. 305
145.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 131, 138, 145, 152, ?, 166_x005F_x000D_

A. 161
B. 163_x005F_x000D_
C. 157
D. 159
Answer» E.
146.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 13, 22, 66, ?, 225, 234, 702, 711_x005F_x000D_

A. 65
B. 75
C. 80
D. 70
Answer» C. 80
147.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 13, 19, 32, 51, 83, ?_x005F_x000D_

A. 142
B. 134
C. 156
D. 140
Answer» C. 156
148.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 13, 17, 26, 42, 67, ?_x005F_x000D_

A. 99
B. 90
C. 103
D. 94
Answer» D. 94
149.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 12, 17, 34, ?, 78, 83, 166_x005F_x000D_

A. 36
B. 33
C. 39
D. 45
Answer» D. 45
150.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 13, 16, 20, 23, 27, ?_x005F_x000D_

A. 30_x005F_x000D_
B. 29_x005F_x000D_
C. 31_x005F_x000D_
D. 33
Answer» B. 29_x005F_x000D_