1.

How many 9s are there in the following number series, which are immediately preceded by 3 and followed by 6? 3 9 6 9 3 9 3 9 3 9 6 3 6 3 9 5 6 9 5 6 9 3 9 6 3 9

A.  Nil                         
B.         3  
C.  2                            
D.         4
Answer» C.  2                            


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