question_answer

How many numbers are there in this series which are preceded by a number which can be divided by either 3 or 5 and followed by the number which is divided only by

1 5 6 2 9 5 2  5 3 4 6 2 8 5 2 9 5 3 2

A)  6                            

B)                         4                            

C)                         5                            

D)                         1