Find The Missing Number from The Given Responses ?

 

A.

16-aug-e-25

 

  1. 60
  2.   84
  3.   120
  4.   27

 

B.

16-aug-e-26

 

  1. 615
  2.   729
  3.   340
  4.   575

C.

16-aug-e-q-28

  1. 26
  2.  25
  3.  23
  4.  27

D.

16-aug-e-q-29

  1. 84
  2.   94
  3.   104
  4.   74
Anurag Mishra Professor Asked on 21st August 2015 in Reasoning Questions.
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1 Answer(s)

A. Answer:  (2) 84

Explanation:-
4 x 3 x 2 + 8 = 32,
5 x 3 x 1 + 9 = 24,
7 x 3 x 3 + 7 = 70,

Similarly,
2 x 9 x 4 + 12 = 84

Hence, the answer is (2) 84.

B. Answer : (2) 729

Explanation:-
The cube of 7 = 7 x 7 x 7 = 343,
The cube of 8 = 8 x 8 x 8 = 512,
The cube of 9 = 9 x 9 x 9 = 729.

Hence, the answer is (2) 729.

C. Answer :  (3) 26

Explanation:-
The square of prime number and add 1.
Then,
square of 2 = 2 x 2 + 1 = 5,
square of 3 = 3 x 3 + 1 = 10,
square of 5 = 5 x 5 + 1 = 26,
square of 11 = 11 x 11 + 1 = 122.

Hence, the answer is (3) 26.

D. Answer: (1) 84

Explanation:-
11 x 12 – 6 x 9  = 132 – 54 = 78.

Similarly,
14 x 10 – 7 x 8 = 140 – 56
= 84

Hence, the answer is (1) 84.

Anurag Mishra Professor Answered on 4th September 2015.
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