Q.1. Find the missing number:
(A) 16
(B) 52
(C) 112
(D) 256
Ans : D
Solution
4×4=16, 16×4=64, 64×4=256
Q.2. Find the missing number
(A) 92
(B) 72
(C) 22
(D) 68
Ans: C
Solution
This is a unique solution in which when we subtract 12 from given number, we get correct answer.
58 -12=46
46 -12=34
34 -12=22
Q.3. Find the missing number
(A) 60
(B) 68
(C) 55
(D) 65
Ans : D
Solution
This is a unique solution in which when we add multiple number of 8 in sequence.
9 + 8 = 17
17 + 16 = 33
33 + 32 = 65
Q.4. Find the missing number
(A) 343
(B) 512
(C) 729
(D) 1000
Ans : B
Solution
This is a unique solution in which we get cube root of multiple number of 2.
8 = (2)3
64 = (4)3
216 = (6)3
512 = (8)3
Q.5. Find the missing number
(A) 1
(B) 9
(C) 12
(D) 17
Ans : D
Solution
5+2 = 7
7+4 = 11
⇒11+6 = 17
Q.6. Find the missing number
(A) 24
(B) 19
(C) 22
(D) 20
Ans : C
Solution
8×3-3=24-3=21
6×5-5=30-5=25
12×2-2=24-2=22
Q.7. Find the missing number
(A) 3
(B) 6
(C) 5
(D) 4
Ans: C
Solution
As per :
(1+4+2) = (7)2=49
&(4+2+2) = (8)2=64
Similarly,
(?+5+3)3=169
?+5+3=13
?=13-8=5
Q.8. Find the missing number
(A) 9
(B) 6
(C) 7
(D) 0
Ans : B
Solution
In column I; (6-3)×10 =30
In column II; (9-4)×7=35
∴ In column III; (6-3)×10=30
Q.9. Find the missing number
(A) 7
(B) 9
(C) 8
(D) 6
Ans: C
Solution
1st row → 4+9+6-17=2,
2nd row → 5+8+9-20=2,
3rd row → 7+9+9-23=2,
4th row → 8+9+4-19=2,
∴ ? = 8
Q.10. Find the missing number
(A) 7
(B) 8
(C) 9
(D) 26
Ans: C
Solution
In column I; 7×5-2=33
In column II; 3×6-8=10
In column III; 4×9-3=33
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