Fill in the blank with the correct number in this number series: 20, 65, 27, 61, __, 57, 41, ?
Options:
(A) 34
(B) 35
(C) 38
(D) 25
(E) 56 Now, let's think a bit. Some random thoughts:
This is a simple alternating subtraction and addition series; The first series begins with 20 and adds 7; the second begins with 65 and subtracts 4, and so on.
The final answer: (A).