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OG 12 #6

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Source: — Data Sufficiency |
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by ronnie1985 » Sat May 05, 2012 9:53 am
S1. n+2 is even=> n+1 is odd, Sufficient
S2.n-1 is odd=> n+1 is odd, Sufficient

(D) is answer.
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by GmatKiss » Mon May 07, 2012 4:09 am
IMO : D
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