GMAT Prep Inequalities

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moneyman: Master | Next Rank: 500 Posts; Posts: 468; Joined: Sat Mar 03, 2007 10:17 pm; Thanked: 5 times

by moneyman » Sat May 10, 2008 6:22 am

If x is not equal to -y, Is x-y/x+y> 1?

(1)x>0
(2)y<0

Ans E
Someone suggested me not to cross multiply in inequality questions..Please tell me what should I keep in mind while approaching such problems. What kind of numbers should I pick to test the answer choices.

Maxx

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Source: Beat The GMAT — Data Sufficiency | Sat May 10, 2008 6:22 am

kbm1975: Newbie | Next Rank: 10 Posts; Posts: 9; Joined: Wed May 07, 2008 7:47 pm; Thanked: 1 times

if you suppose both (x=4,y=-3) and (x=1, y=-3)

by kbm1975 » Sun May 11, 2008 5:03 pm

The answer will be E.

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