GMATPrep DS

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Junior | Next Rank: 30 Posts
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GMATPrep DS

by sudipto » Sat Nov 01, 2008 11:13 pm
Can someone explain this one - i thought the answer is C.
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by krazy800 » Sun Nov 02, 2008 3:49 am
From the Information given

(M-J)=2(M-K)

Therefore M=2k-J-----------(1)

Average of M, J, K = (M+J+K)/3-----(2)

From 1 and 2 the average reduces to K

therefore statement 2 is sufficient

OA B
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Junior | Next Rank: 30 Posts
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by sudipto » Sun Nov 02, 2008 8:56 am
Thank you !