Some question: Look at this series: 664, 332, 340, 170, ____, 89, ... What number should fill the blank?\nOptions:\n(A) 85\n(B) 97\n(C) 109\n(D) 178\n(E) 112
Some stream of consciousness:
User
Answer: Option D\nThis is an alternating division and addition series: First, divide by 2, and then add 8. The answer: (D).
Assistant