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rohangupta83: Legendary Member; Posts: 541; Joined: Thu May 31, 2007 6:44 pm; Location: UK; Thanked: 21 times; Followed by:3 members; GMAT Score:680

by rohangupta83 » Sun Oct 26, 2008 3:10 pm

Let KN = X
QN = Y

RQ=Y
PR=Y

KN = PQ = 2Y

or X = 2Y

MN = X+Y
or 2Y+Y=3Y

MN/KN = 3Y/2Y

or 3/2

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