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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.

How many numbers amongst the numbers 9 to 54 are there which are exactly divisible by 9 but not by 3 ?

Option:
A. 8
B. 6
C. 5
D. Nil
Answer: D . Nil

Justification:

Any number divisible by 9 is also divisible by 3.

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