How D?

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smclean23: Master | Next Rank: 500 Posts; Posts: 172; Joined: Mon Jun 23, 2008 12:00 pm; Thanked: 3 times; Followed by:1 members

by smclean23 » Sun Sep 21, 2008 1:43 pm

If r > 0 and s > 0, is r/s < s/r ?
(1) r/3s = 1/4
(2) s = r + 4

OA is D.

Source: Beat The GMAT — Data Sufficiency | Sun Sep 21, 2008 1:43 pm

stubbornp: Master | Next Rank: 500 Posts; Posts: 496; Joined: Sun May 04, 2008 11:01 pm; Location: mumbai; Thanked: 7 times; GMAT Score:640

by stubbornp » Sun Sep 21, 2008 8:51 pm

stmt 1:r/3s=1/4

=>r/s=1/12 and s/r=12...sufficient

stmt2..s=r+4

as r& s are +ve values...

s>r...it means s/r>r/s..sufficient

D

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