1.  Look at this series: 8, 22, 8, 28, 8, ... What number should come next?

A. 9
B. 29
C. 32
D. 34

Answer: Option D

Explanation:

This is a simple addition series with a random number, 8, interpolated as every other number. In the series, 6 is added to each number except 8, to arrive at the next number.