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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 7's are there in the following sequence which are precedede by 9 and followed by 6 ?
7  8  9  7  6  5  3  4  2  8  9  7  2  4  5  9  2  9  7  6  4  7

 

Option:
A. 2
B. 3
C. 4
D. 5
E. None of these
Answer: A . 2

Justification:

7  8  9  7  6  5  3  4  2  8  9  7  2  4  5  9  2  9  7  6  4  7

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