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Source: — Data Sufficiency |
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by 4GMAT_Mumbai » Thu Jul 08, 2010 11:21 pm
Hi,

Cool Q. Thanks.

Stmt 1:

x+3y = 0
x = -3y

(x,y) is either (-24,8) or (24,-8). In both the cases, xy is a constant number. Hence, [spoiler]Sufficient.

[/spoiler]Stmt 2:

(x,y) is either (24,8) or (24,-8) or (-24,8) or (-24,-8). xy leads to two numbers amongst these four possibilities. Hence, Insuff

Guess it is A. Pls highlight if this is right / wrong.

Thanks.
Naveenan Ramachandran
4GMAT, Dadar(W) & Ghatkopar(W), Mumbai
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by ankurmit » Fri Jul 09, 2010 2:12 am
ya u are right...nice explanation
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