Is n an even integer?

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Is n an even integer?

by sanju09 » Tue Jul 01, 2014 12:37 am
Is n an even integer?
(1) 3n is an even integer.
(2) n/2 is not an integer.



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by sparkles3144 » Tue Jul 01, 2014 3:06 am
Is n an even integer?
(1) 3n is an even integer.
Insufficient.
If n = 2, then 3n = 6
If n = 2/3, then 3n = 2

(2) n/2 is not an integer
If n/2 is not an integer then n cannot be an even integer.

Answer B