Find the missing number?

A. 4

B. 5

C. 3

D. 6

Answer: Option C

Solution(By Examveda Team)

Reading each column as a 3 digit number, moving from left to right, the columns follow the sequence of cube numbers of 5, 6 and 7.

Last column Number = 7 * 7 * 7 = 343.
So, Missing Number = 3.