Analogy - Verbal and Reasoning

Directions to SolveIn each of the following questions find out the alternative which will replace the question mark.
Q1:

25 : 37 :: 49 : ?

A 41

B 65

C 56

D 60

ANS:B - 65

Explanation: As 25 = (5)2 → (5 + 1)2 + 1 = 37. As 49 = (7)2 → (7 + 1)2 + 1 = 65.