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In Number sequece questions, you are given a long series of numbers. It is required to find out how many times a number satisfying conditions, specified in the questions, occurs.

In the following number sequence, how many such even numbers are there which are exactly divisible by its immediate preceding number but not exactly divisible by its immediate following number ?
3  8  4  1  5  7  2  8  3  4  8  9  3  9  4  2  1  5  8  2

Option:
A. One
B. Two
C. Three
D. Four
E. None of these
Answer: B . Two

Justification:

3  8  4  1  5  7  2  8  3  4  8  9  3  9  4  2  1  5  8  2

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