Insert the missing number.
8, 7, 11, 12, 14, 17, 17, 22, 27 (....)  Options
A) 27 B) 23 C) 22 D) 24 E) 26
There are two series (8, 11, 14, 17, 20, 23) and (7, 12, 17, 22, 27) increasing by 3 and 5 respectively.   answer : 23
<result>B</result>
Insert the missing number.
8, 7, 11, 12, 14, 17, 17, 22, 27 (....)