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roy33
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 Posted: Sat Sep 29, 2007 12:07 am Post subject: gmat powerprep |
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in the number line the distance between X & Y is greater than the distance between X & Z.Does Z lie between X & Y on the number line?
1--xyz<0
2-- xy<0.
Can anyone please explain......... |
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ratindasgupta
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| Posted: Sat Sep 29, 2007 1:13 am Post subject: Re: gmat powerprep |
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| roy33 wrote: | in the number line the distance between X & Y is greater than the distance between X & Z.Does Z lie between X & Y on the number line?
1--xyz<0
2-- xy<0.
Can anyone please explain......... |
The answer is E.
1. since XYZ<0, either they're all negative or one of them is negative. Z may or may not lie between X & Y. INSUFF
2. Since XY<0, either X or Y is negative. INSUFF
Together, we're able to deduce that Z is positive. Z could be positive and yet it may or may not be between X & Y. INSUFF |
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