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.

51.

Select the number missing from the given series._x005F_x000D_  _x005F_x000D_ 3, 12, ___, 21612_x005F_x000D_

A. 147
B. 149
C. 200
D. 150
Answer» B. 149
52.

Select the number missing from the given series._x005F_x000D_  _x005F_x000D_ 15, 20, 18, 23, ?, 26, 24_x005F_x000D_

A. 21
B. 28
C. 30
D. 24
Answer» B. 28
53.

Select the number missing from the given sequence._x005F_x000D_  _x005F_x000D_ 1, 2, 6, ___, 120, 720_x005F_x000D_

A. 24
B. 9
C. 50
D. 12
Answer» B. 9
54.

Select the number missing from the given number series._x005F_x000D_  _x005F_x000D_ 4, 9, 20, 44, ?

A. 100
B. 90
C. 95
D. 80
Answer» D. 80
55.

Select the missing numbers from the given alternatives 12 8 4 8 4 12 4 12 8 100 44 ?

A. 80
B. 56
C. 48
D. 36
Answer» C. 48
56.

Select the missing numbers from the given alternatives_x005F_x000D_ 8  21  4_x005F_x000D_ 27 ?   53

A. 35
B. 40
C. 17
D. 23
Answer» C. 17
57.

Select the correct option will complete the given number series._x005F_x000D_  _x005F_x000D_ 13, 10, 7, 4, ___

A. 3
B. 4
C. 1
D. 2
Answer» D. 2
58.

Pick the odd one out from the given number series?_x005F_x000D_ 21, 24, 33, 49, 74

A. 21
B. 24
C. 33
D. 49
Answer» B. 24
59.

prp  qrp  prr  pqr  qrp  rpr  qqr  rpr  qpr  qrr qpr  qpr_x005F_x000D_ If every third letter starting from the left is replaced by a number beginning with 1 then which letter/ number will be 16th from the right?

A. q
B. r
C. 6
D. 7
Answer» E.
60.

Next number in the number sequence is_x005F_x000D_ 22, 11, 33, 16.5, 49.5, ?

A. 24.75
B. 41
C. 33.5
D. 26.75
Answer» B. 41
61.

Next number in the given series is_x005F_x000D_ 9 7 10 6 11 ?

A. 5
B. 4
C. 13
D. 15
Answer» B. 4
62.

Look at the series : _x005F_x000D_ 3, 7, 24, 11, __, 19, 19,... What number should fill the blank ?

A. 15
B. 13
C. 21
D. 16
Answer» B. 13
63.

In the following series, one number is missing as shown by the ?. Select the missing number from the given options._x005F_x000D_  _x005F_x000D_ 3, 8, 13, 18, ?_x005F_x000D_

A. 22
B. 23
C. 24
D. 21
Answer» C. 24
64.

In the folowing questions pickout the most sutiable substitute for the question mark?_x005F_x000D_ 6 : 222 :: 25 : ?

A. 650
B. 15625
C. 15650
D. 15600
Answer» D. 15600
65.

In the following sum, “?” stands for which digit ?_x005F_x000D_ 8 + ?8 + 28 + 83 + 8? = 2?8

A. 4
B. 3
C. 2
D. 1
Answer» E.
66.

In the following series, one number is missing as shown by the question mark. Select the missing number from the given options._x005F_x000D_  _x005F_x000D_ 8, 12, 16, 20, ?_x005F_x000D_  _x005F_x000D_

A. 22
B. 26
C. 24
D. 32
Answer» D. 32
67.

In the following questions, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. BF, CH, ?, HO, LT

A. EK
B. DN
C. EL
D. EM
Answer» B. DN
68.

In the following questions a letter-series is given, in which some letters are missing. The missing letters are given in the proper sequence as one of the alternatives. Choose the correct alternatives. _ nmmn _ mmnn _ mnnm _

A. mnnm
B. nmmn
C. nmnm
D. nnmm
Answer» E.
69.

In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. BMO, EOQ, HQS, ?

A. KSU
B. SOV
C. SOW
D. LMN
Answer» B. SOV
70.

In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. EJO, TYD, INS, XCH ?

A. NRW
B. NSX
C. MRW
D. MSX
Answer» D. MSX
71.

In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?).Choose the missing terms out of the given alternatives. 2Z5, 7Y7, 14X9, 23W11, 34V13, ?

A. 47U15
B. 47V14
C. 45U15
D. 27U24
Answer» B. 47V14
72.

In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. 3F, 6G, 11I, 18L, ?

A. 27Q
B. 27P
C. 25N
D. 21O
Answer» C. 25N
73.

In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. P3C, R5F, T8I, V12L, ?

A. X17M
B. X16O
C. X17O
D. Y17O
Answer» D. Y17O
74.

In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. Q1F, S2E, U6D, W21C, ?

A. Z88B
B. Y88B
C. Y44B
D. K25P
Answer» C. Y44B
75.

In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. D-4, F-6, H-8, J-10, ?, ?

A. L-12,N-14
B. K-12, M-14
C. K-14, M-14
D. K-12, M-14
Answer» B. K-12, M-14
76.

In the following question, various terms of an alphanumerical series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. A/2, B/4, C/6, D/8, ?, ?

A. D/10, E/10
B. E/10, F/12
C. E/8, F/10
D. E/12, F/14
Answer» C. E/8, F/10
77.

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. BAZ, DCY, FEX, ?

A. FXW
B. FEY
C. HGW
D. EFX
Answer» D. EFX
78.

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. Y, B, T, G, O, ?

A. L
B. N
C. M
D. K
Answer» B. N
79.

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. AB, DEF, HIJK, ?, STUVWX

A. QRSTU
B. MNOPQ
C. LMNO
D. LMNOP
Answer» C. LMNO
80.

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. A, B, N, C, D, O, E, F, P, ?, ?, ?

A. G, H, Q
B. J, K, L
C. G, H, J
D. G, H, I
Answer» B. J, K, L
81.

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. Z, U, Q, ?, L

A. N
B. M
C. I
D. K
Answer» B. M
82.

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. CMW, HRB, ?, RBL, WGQ, BLV

A. WMX
B. MWG
C. LVF
D. LWG
Answer» C. LVF
83.

In the following question, select the missing number from the given series.672, 666, 660, 654, ?

A. 648
B. 650
C. 646
D. 652
Answer» B. 650
84.

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. AZ, GT, MN, ?, YB

A. TS
B. SH
C. KF
D. RX
Answer» C. KF
85.

In the following question, select the missing number from the given series.47, 44, 40, 37, ?, 30

A. 32
B. 33
C. 34
D. 31
Answer» C. 34
86.

In the following question, select the missing number from the given series.146, 137, 128, ?, 110, 101

A. 123
B. 121
C. 117
D. 119
Answer» E.
87.

In the following question, select the missing number from the given series. 54, 51, 48, 45, 42, ?

A. 38
B. 36
C. 40
D. 39
Answer» E.
88.

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

A. 59
B. 57
C. 58
D. 56
Answer» D. 56
89.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 9, 16, 13, 12, 17, 8, ?, ?_x005F_x000D_

A. 21, 4_x005F_x000D_
B. 4, 21_x005F_x000D_
C. 9, 12_x005F_x000D_
D. 12, 18
Answer» B. 4, 21_x005F_x000D_
90.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 93, 100, 107, 114, ?, 128_x005F_x000D_

A. 120_x005F_x000D_
B. 121_x005F_x000D_
C. 123_x005F_x000D_
D. 122
Answer» C. 123_x005F_x000D_
91.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 87, 62, 42, 27, 17, ?_x005F_x000D_

A. 7_x005F_x000D_
B. 12_x005F_x000D_
C. 8_x005F_x000D_
D. 10
Answer» C. 8_x005F_x000D_
92.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 831, 842, 853, 864, 875, ?_x005F_x000D_

A. 896
B. 876
C. 886
D. 880
Answer» D. 880
93.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 8, 16, ?, 64, 128_x005F_x000D_

A. 30
B. 32
C. 28
D. 48
Answer» C. 28
94.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 8, 16, 43, 107, 232, ?_x005F_x000D_

A. 342
B. 448
C. 248
D. 528
Answer» C. 248
95.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 669, 660, 651, 642, 633, ?_x005F_x000D_

A. 622
B. 620
C. 624
D. 618
Answer» D. 618
96.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 66, 65, 63, 62, 60, ?_x005F_x000D_

A. 58_x005F_x000D_
B. 59_x005F_x000D_
C. 57_x005F_x000D_  _x005F_x000D_
D. 56
Answer» C. 57_x005F_x000D_  _x005F_x000D_
97.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 64, 75, 86, 97, ?, 119_x005F_x000D_

A. 118
B. 108
C. 98
D. 109
Answer» C. 98
98.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 6578, 4381, 2653, ?, 322_x005F_x000D_

A. 1322_x005F_x000D_
B. 1653_x005F_x000D_
C. 1326_x005F_x000D_
D. 1632
Answer» B. 1653_x005F_x000D_
99.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 64, 73, 83, 94, ?, 119_x005F_x000D_

A. 108
B. 112
C. 106
D. 114
Answer» D. 114
100.

In the following question, select the missing number from the given series._x005F_x000D_  _x005F_x000D_ 60, – 52, 44, – 36, 28, ?_x005F_x000D_

A. – 18_x005F_x000D_
B. – 12_x005F_x000D_
C. – 24_x005F_x000D_
D. – 20
Answer» E.