1.

How many 4's are there in the following number series which are preceded by 5 but not followed by 7? 2 3 4 2 3 4 2 5 4 7 3 2 4 3 1 9 2 5 4 7 5 4 7 2 3 4 5 2 9 5 4 6

A.  One 
B.  Two 
C.  Three     
D.  Four
Answer» B.  Two 


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