Is the integer \(X\) between 20 and 26 inclusive?
1) \(X\) is multiple of 9.
2) \(X=18\).
The OA is D
Source: Manhattan Prep
1) \(X\) is multiple of 9.
2) \(X=18\).
The OA is D
Source: Manhattan Prep
(1) doesn't answer the question because X can be 9 18 27 36 and so on
(2) by itself answers the question
