Look at this series: 30, 27, 32, 29, 34, 31, ... What number should come next?  Choose the correct choice from the following answers:
A) 30 B) 36 C) 38 D) 42 E) 32
Explanation:   In this simple alternating subtraction and addition series; 3 is subtracted, then 5 is added, and so on.   Answer: Option 36
<result>B</result>
Look at this series: 30, 27, 32, 29, 34, 31, ... What number should come next?