djdela wrote:
Answer is "B". I do not understand the second statement which is why I didn't get it right the first time and I still do not have a clear understanding.
It should be B.
(2) X is the greatest of the digits not among the telephone number’s first six digits.
Find the digits that are not among the telephone number's first six digits.
8,7,4,0 ..
greatest of {8,7,4,0} is 8.
Sufficient
In the telephone number 936-215X, what digit does X represent?
(1) Only one digit in the telephone number is greater than X.
(2) X is the greatest of the digits not among the telephone number’s first six digits.
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