1.

How many 7s are there in the following sequence, which are immediately followed by 9, and which are not immediately preceded by 5?5 1 7 9 9 7 5 9 8 7 8 7 9 5 7 9A. 6B. 1C. 2D. 4

A. D
B. A
C. B
D. C
Answer» E.


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