Intelligence Question

Q: 81 ,9,64 ,8,.....,12

(a) :  97
(b) :  144
(c) :  96
(d) :  100
(e) :  None of the above
Answer:  144
Explanation:  First is the square of the second in every pair such as (9)2=81,(8)2=64 and (12)2=144

Q: R, N, J, F, ..........,

(a) :  B
(b) :  C
(c) :   A
(d) :   D
(e) :  NONE
Answer:  B
Explanation:  

Q: 2,6,12,20,30 …..

(a) :  40
(b) :  44
(c) :  42
(d) :  36
(e) :  None of the above
Answer:  42
Explanation:  The difference between two consecutive numbers are increasing in the order of 4, 6, 8, 10 and 12

Q: 2, 4, 8, 16,.......?

(a) :  24
(b) :  30
(c) :  32
(d) :  20
(e) :  none
Answer:  32
Explanation:  

Q: 78,65,75,62,72...?

(a) :  61
(b) :  65
(c) :  64
(d) :  59
(e) :  None of the above
Answer:  59
Explanation:  There are two series78,75,72 and 65,62,59

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