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If \(c\) and \(d\) are integers, is \(c - 3d\) even?
(1) \(c\) and \(d\) are odd.
(2) \(c - 2d\) is odd.
Answer: A
Source: Manhattan GMAT
(1) \(c\) and \(d\) are odd.
(2) \(c - 2d\) is odd.
Answer: A
Source: Manhattan GMAT
