Find the missing character?

A. G

B. A

C. X

D. Q

Answer: Option D

Solution(By Examveda Team)

Converting all letters to their numerical values, the middle section of each row of the diagram contains a list of letters which are common multiples of a number, given by the value of the letter in the right hand box. One letter in each row does not follow this sequence, and is put in the left hand box.