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DS - OG31

by dunkin77 » Mon Jun 11, 2007 1:27 pm
if x and y are intergers and x>0, is y>0?

1) 7x-2y>0
2) –Y<x

Hi,

I dont have OA ...but I think it's either C or E....

Can anyone explain pls?
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Re: DS - OG31

by jayhawk2001 » Mon Jun 11, 2007 4:25 pm
dunkin77 wrote:if x and y are intergers and x>0, is y>0?

1) 7x-2y>0
2) –Y<x

Hi,

I dont have OA ...but I think it's either C or E....

Can anyone explain pls?
Take x = 2, y = +1
1 & 2 are both satisfied. y is positive

Take x = 2, y = -1
1 & 2 are both satisfied, y is negative

I'd vote E.
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