BTGmoderatorDC wrote:What is the units digit of the number z?
(1) 17 < z < 20
(2) 18 < z < 21
The usage of
number implies that we should consider NON-INTEGER values.
Both statements are satisfied by z=18.1 and z=19.1
Since the units digit of z can be different values, the two statements combinecd are INSUFFICIENT.
The correct answer is
E.
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