1.

Count each 7 which is not immediately preceded by 5 but is immediately followed by either 2 or 3. How many such 7 s are there? 5 7 2 6 5 7 3 8 3 7 3 2 5 7 2 7 3 4 8 2 6 7 8

A. 2
B. 3
C. 4
D. 5
Answer» B. 3


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