72 67 66 61 60 ...? Select
A) 52  B) 53  C) 54  D) 55  E) 56
Sequence = 72 67 66 61 60 55   There is 2 series :   1st series = 72 66 60 (decreasing by 6)   2nd series = 67 61 55 (decreasing by 6)   ANSWER:55
<result>D</result>
72 67 66 61 60 ...?