1.

How many 7 s are there in the following series which are preceded by 6 which is not preceded by 8? 8 7 6 7 8 6 7 5 6 7 9 7 6 1 6 7 7 6 8 8 6 9 7 6 8 7

A. Nil
B. One
C. Three
D. None of these
Answer» E.


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