Fill in the blank with the correct number in this number series: 1, 20, 7, 16, __, 12, 19, ?\nOptions:\n(A) 14\n(B) 12\n(C) 13\n(D) 15\n(E) 11 Hmmm, my stream of consciousness:
User
This is a simple alternating subtraction and addition series; The first series begins with 1 and adds 6; the second begins with 20 and subtracts 4, and so on. So, the answer is (C).
Assistant