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Two integer x,y, is x-y<0? (1) x+y >0 (2) IxI - IyI

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Two integer x,y, is x-y<0? (1) x+y >0 (2) IxI - IyI [#permalink] New post 21 Aug 2003, 08:17
Two integer x,y, is x-y<0?

(1) x+y >0 (2) IxI - IyI < Ix-yI

---IxI means the absolute value of x.
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[#permalink] New post 21 Aug 2003, 08:40
I think E

Question is basically asking is X<Y?

(A) says X+Y>0 which could be anything not suff
(B) At this point I started plugging in numbers.
If they are both positive, then X<Y. If they are both negative, then X>Y not suff

Now combine.

Try X=-3, Y=5. This meets criteria for both A and B, and X<Y. Now try X=5, Y=-3. This works fine as well for both A and B, but X>Y

Thus, E

This took me about 3 mins, and I am still not 100% confident of my answer. I felt myself holding a lot of information in my head for this one, which I hate to do.
E   [#permalink] 21 Aug 2003, 08:40
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Two integer x,y, is x-y<0? (1) x+y >0 (2) IxI - IyI

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