Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next?
Options:
(A) 12
(B) 14
(C) 27
(D) 53
(E) 86 OK. Let's think. Some random thoughts first:
In this series, each number is repeated, then 13 is subtracted to arrive at the next number. The answer: (B).