1.  8, 7, 11, 12, 14, 17, 17, 22, (....)
A. 27
B. 20
C. 22
D. 24

Answer: Option B

Explanation:

There are two series (8, 11, 14, 17, 20) and (7, 12, 17, 22) increasing by 3 and 5 respectively.