61, 57, 50, 61, 43, 36, 61, ... choose which pair of numbers comes next?

A. 29, 61

B. 27, 20

C. 31, 61

D. 22, 15

E. 29, 22

Answer: Option E

Solution(By Examveda Team)

This is an alternating repetition series, in which a random number, 61, is interpolated as every third number into an otherwise simple subtraction series. Starting with the second number, 57, each number (except 61) is 7 less than the previous number.