Explore topic-wise MCQs in Mental Ability.

This section includes 733 Mcqs, each offering curated multiple-choice questions to sharpen your Mental Ability knowledge and support exam preparation. Choose a topic below to get started.

601.

If "A" denotes "added to", "B" denotes "divided by", "C" denotes "multiplied by" and "D" denotes "subtracted from", then_x005F_x000D_ 76 B 19 C 7 A 3 D 25=?_x005F_x000D_

A. 4
B. 3
C. 5
D. 6
Answer» E.
Discussion
602.

If "A" denotes "added to", "C" denotes "divided by", "D" denotes "multiplied by" and "B" denotes "subtracted from", then 72 C 9 D 2 B 6 A 10 = ?

A. 30
B. 20
C. 35
D. 25
Answer» C. 35
Discussion
603.

If "A" denotes "added to", "B" denotes "divided by", "C" denotes "multiplied by" and "D" denotes "subtracted from", then 87 B 3 C 4 A 4 D 50 = ?

A. 65
B. 75
C. 70
D. 80
Answer» D. 80
Discussion
604.

If "A" denotes "added to", "B" denotes "divided by", "C" denotes "multiplied by" and "D" denotes "subtracted from", then 154 B 11 C 6 A 6 D 27= ?

A. 60
B. 63
C. 33
D. 64
Answer» C. 33
Discussion
605.

If A = 26 and X-RAY = 40, then WHAT = ?

A. 52
B. 54
C. 56
D. 58
Answer» D. 58
Discussion
606.

If A = 1, E = 5, then HEAR = ?

A. 38
B. 32
C. 31
D. 30
Answer» C. 31
Discussion
607.

If "A" denotes "added to", "B" denotes "divided by", "C" denotes "multiplied by" and "D" denotes "subtracted from", then 116 B 29 C 6 A 24 D 45 = ?

A. 4
B. 3
C. 5
D. 6
Answer» C. 5
Discussion
608.

If A = 1, AND = 19, then ANT = ?

A. 35
B. 33
C. 23
D. 19
Answer» B. 33
Discussion
609.

If A = 1 and OAR = 34, then ROAR =

A. 52
B. 53
C. 51
D. 50
Answer» B. 53
Discussion
610.

If 9*8 = 144, 7*7 = 98 and 7*8 = 112, then find the value of 5*1 = ?_x005F_x000D_

A. 10
B. 12
C. 24
D. 36
Answer» B. 12
Discussion
611.

If 9x3=3; 15x3=5; 60x5=12; then what is the value of 27x3 = ?

A. 30
B. 9
C. 3
D. 6
Answer» C. 3
Discussion
612.

If 9#3 = 120, 3#4 = 70 and 2#9 = 110, then find the value of 5#2 = ?

A. 40
B. 50
C. 70
D. 80
Answer» D. 80
Discussion
613.

If 9#3=6; 15#3=9; 60#4=32; then what is the value of 27#3=?

A. 24
B. 15
C. 13
D. 33
Answer» C. 13
Discussion
614.

If 9*4 = 26, 4*4 = 16 and 3*6 = 18, then find the value of 5*2 = ?

A. 13
B. 14
C. 17
D. 26
Answer» C. 17
Discussion
615.

If 9&4 = 50, 3&7 = -40 and 7&5 = 20, then find the value of 4&5 = ?_x005F_x000D_  _x005F_x000D_

A. 80_x005F_x000D_
B. -10_x005F_x000D_
C. 20_x005F_x000D_
D. -80
Answer» C. 20_x005F_x000D_
Discussion
616.

If 9@7=4; 6@1=10; 7@4=6; then what is the value of 8@2=?

A. 1
B. 35
C. 26
D. 12
Answer» E.
Discussion
617.

If 9 $ 4 = 17 and 1 $ 5 = 10, then 3 $ 6 = ?

A. 11
B. 14
C. 13
D. 16
Answer» D. 16
Discussion
618.

If 9@3=12; 15@4=22; 16@14=4; then what is the value of 6@2=?

A. 26
B. 1
C. 30
D. 8
Answer» E.
Discussion
619.

If 8*9 = 36, 12*4 = 24 and 14*6 = 42, then find the value of 18*6 = ?

A. 14
B. 54
C. 44
D. 2
Answer» C. 44
Discussion
620.

If '←' stands for '+', '→' stands for '-', '↑' stands for '÷', '↓' stands for 'x', '^' stands for '=', then which of the following alternatives is correct?_x005F_x000D_

A. 3↓6↑2←3→6^5
B. 2↓5→6←2^6
C. 7→43↑6↓1^4
D. 5←7→3↑2^4
Answer» C. 7→43↑6↓1^4
Discussion
621.

If 8%5 = 30, 9%2 = 70 and 1%4 = -30, then find the value of 2%5 = ?

A. -30
B. 10
C. -20
D. 40
Answer» B. 10
Discussion
622.

If 8*2 = 3, 14*18 = -2 and 18*2 = 8, then find the value of 14*10 = ?

A. 2
B. -5
C. -2
D. 6
Answer» B. -5
Discussion
623.

If 80&10 = -8, 50&2 = -25 and 80&16 = -5, then find the value of 20&5 = ?

A. 50
B. -40
C. -4
D. 4
Answer» D. 4
Discussion
624.

If 8 θ 12 δ 6 = 60 and 13 θ 15 δ 11 = 74, then 18 θ 21 δ 15 = ?

A. 161
B. 139
C. 153
D. 147
Answer» D. 147
Discussion
625.

If 8&4 = 64, 5&8 = 80 and 8&1 = 16, then find the value of 9&9 = ?_x005F_x000D_

A. 124_x005F_x000D_
B. 40_x005F_x000D_
C. 162_x005F_x000D_
D. 28
Answer» D. 28
Discussion
626.

If 8α9 = -72, -9α3 = 27 and -6α1 = 6, then find the value of -3α6 = ?

A. -98
B. -87
C. 18
D. 29
Answer» D. 29
Discussion
627.

If 7*7 = 140, 6*1 = 70 and 3*5 = 80, then find the value of 4*4 = ?_x005F_x000D_

A. 60
B. 80
C. 10
D. 40
Answer» C. 10
Discussion
628.

If 75$26 = 4, 69$53 = 7 then what is the value of 82$46 = ?

A. 62
B. 56
C. 0
D. 91
Answer» D. 91
Discussion
629.

If 70$7 = -10, 50$5 = -10 and 40$8 = -5, then find the value of 10$2 = ?

A. 50
B. -10
C. 16
D. -5
Answer» E.
Discussion
630.

If 70*10 = -7, 50*5 = -10 and 10*5 = -2, then find the value of 80*1 = ?

A. 45
B. -25
C. 20
D. -80
Answer» E.
Discussion
631.

If 70!10 = -7, 70!5 = -14 and 40!4 = -10, then find the value of 20!2 = ?_x005F_x000D_

A. 30
B. -10
C. 12
D. -24
Answer» C. 12
Discussion
632.

If 7Ω6 = 84, 8Ω7 = 112 and 8Ω4 = 64, then find the value of 3Ω4 = ?_x005F_x000D_

A. 24_x005F_x000D_
B. 12_x005F_x000D_
C. 4_x005F_x000D_
D. 20
Answer» B. 12_x005F_x000D_
Discussion
633.

If 7∆6 = 84, 1∆4 = 8 and 2∆3 = 12, then find the value of 8∆4 = ?_x005F_x000D_

A. 64
B. 36
C. 12
D. 40
Answer» B. 36
Discussion
634.

If 7Ω6 = 84, 8Ω7 = 112 and 8Ω4 = 64, then find the value of 3Ω4 = ?_x005F_x000D_  _x005F_x000D_

A. 24_x005F_x000D_
B. 12
C. 4_x005F_x000D_
D. 20
Answer» B. 12
Discussion
635.

If, 6x4= 12, 4x12= 24, 12x6= 36 then 6x9= ?

A. 35
B. 24
C. 27
D. 31
Answer» D. 31
Discussion
636.

If 6#30=5; 8#24=3; 7#28=4; then what is the value of 8#40=?

A. 47
B. 4
C. 5
D. 24
Answer» D. 24
Discussion
637.

If 6#2 = 4, 2#6 = 4 and 14#12 = 13, then find the value of 4#24 = ?_x005F_x000D_

A. 8
B. 14
C. 20
D. 18
Answer» C. 20
Discussion
638.

If 60#40 = 10, 40#20 = 6 and 60#90 = 15, then find the value of 40#30 = ?_x005F_x000D_

A. 15
B. 12
C. 18
D. 7
Answer» E.
Discussion
639.

If 6α1 = 70, 2α3 = 50 and 4α5 = 90, then find the value of 1α4 = ?_x005F_x000D_

A. 50_x005F_x000D_
B. 30_x005F_x000D_
C. 10_x005F_x000D_
D. 60
Answer» B. 30_x005F_x000D_
Discussion
640.

If 6 * 9 – 4 = 58 and 3 * 9 – 7 = 34, then in the expression A * 4 – 9 = 91, what is the value of 'A'?

A. 6.5
B. 17.5
C. 20.5
D. 24.5
Answer» D. 24.5
Discussion
641.

If 6 @ 4 @ 7 = 101 and 2 @ 5 @ 11 = 150, then what is the value of A in A @ 8 @ 9 = 289?

A. 5
B. 8
C. 12
D. 17
Answer» D. 17
Discussion
642.

If 6@16 = 11, 2@14 = 8 and 8@8 = 8, then find the value of 10@18 = ?_x005F_x000D_

A. 4
B. 6
C. 12
D. 14
Answer» E.
Discussion
643.

If 5#5 = -25, -4#-3 = -12 and 3#-3 = 9, then find the value of 4#5 = ?_x005F_x000D_

A. 49
B. -56
C. -17
D. -20
Answer» E.
Discussion
644.

If 6@1 = 12, 6@2 = 24 and 9@9 = 162, then find the value of 4@6 = ?

A. 48
B. 4
C. 16
D. 20
Answer» B. 4
Discussion
645.

If 56 x 11 = 9, 37 x 13 = 6, 42 x 12 = 3, then find the value of 87 x 77.

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
Discussion
646.

If 52 % 32 = 40, 22 % 20 = 4 then what is the value of 15 % 11 = ?

A. 39
B. 11
C. 36
D. 8
Answer» E.
Discussion
647.

If 5$125 = 25, 12$48 = 4 then what is the value of 4$24 = ?

A. 34
B. 35
C. 6
D. 5
Answer» D. 5
Discussion
648.

If 5Δ1 = 40, 9Δ9 = 0 and 7Δ1 = 60, then find the value of 4Δ9 = ?

A. 80
B. -30
C. -50
D. -90
Answer» D. -90
Discussion
649.

If 5 # 9 @ 7 = 52 and 3 @ 9 # 2 = – 89, then 7 # 6 @ 9 = ?

A. 67
B. 56
C. 43
D. 28
Answer» B. 56
Discussion
650.

If 45 % 11 = 7, 59 % 34 = 7 then what is the value of 55 % 4 = ?

A. 6
B. 40
C. 45
D. 50
Answer» B. 40
Discussion