Question : Directions: In the following question, select the related number from the given alternatives.
5 : 36 :: 7 : ?
Option 1: 36
Option 2: 49
Option 3: 64
Option 4: 81
Correct Answer: 64
Solution :
Given:
5 : 36 :: 7 : ?
Like, 5 : 36→5 + 1 = 6; 6
2
= 36
Similarly, for 7 : ?→7 + 1 = 8; 8
2
= 64
So, 7 is related to 64. Hence, the third option is correct.