EduGoog

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 6's are there in the following series of numbers which are preceded by 7 but not immediately followed by 9 ?
6  7  9  5  6  9  7  6  8  7  6  7  8  6  9  4  6  7  7  6  9  5  7  6  3

Option:
A. One
B. Two
C. Three
D. Four
Answer: C . Three

Justification:

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

Next