Character Puzzles - Verbal and Reasoning

Q1:

Which one will replace the question mark ?

A 1

B 4

C 3

D 6

ANS:D - 6

Explanation: (5 + 4 + 7)/2 = 8 (6 + 9 + 5)/2 = 10 (3 + 7 + 2)/2 = 6.