12 : 35 :: 16 : ?

A. 32

B. 48

C. 49

D. 63

Answer: Option D

Solution(By Examveda Team)

First term = 6*2 = 12.
Second term = 6² - 1 = 35.
Third term = 8*2 = 16.
Fourth term = 8² - 1 = 63.