1.

How many even digits are there in the following series each of which is both immediately followed and preceded by odd digit? 5 6 7 2 5 9 2 4 9 3 6 4 3 9 2 1 0 2 1 5 8 2

A.  6     
B.  5     
C.  4     
D.  3
Answer» E.


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