In each of the following questions, there is a certain relationship between two given numbers on one side of(::) and one number is given on the other side of(: :) while another number is to be found from the given alternatives having the same relationship with this number as the numbers of the given half. Choose the best alternatives.
25 : 625 : : 35 : ?

Options

A. a) 1575
B. b) 1225
C. c) 875
D. d) 635

Answer

D

Explanation

As, 25 is common in both 25 and 625 and 6 is added.
Similarly 35 is common in both 35 and 635 and 6 is added.