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Is x>y ? 1) x^2 > y^2 2) y-y^2 > 0

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Senior Manager
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Is x>y ? 1) x^2 > y^2 2) y-y^2 > 0 [#permalink] New post 27 Aug 2009, 06:53
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A
B
C
D
E

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(N/A)

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Is x>y ?
1) x^2 > y^2
2) y-y^2 > 0
Manager
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GMAT Tests User
Re: Is x>y ? [#permalink] New post 27 Aug 2009, 07:01
1) X^2 > Y^2
So x = +y
2) y-y^2 > 0, so the value of y lies between 0 and 1.
and also y is positive.
Combining 1 and 2 we can not conclude if x is greater than y.
So answer is E.
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GMAT Tests User
Re: Is x>y ? [#permalink] New post 27 Aug 2009, 07:34
E -

1) Does not provide guidance as X could be +/-
2) Just says that Y is a fraction

Together X>Fraction or Fraction> -X
Insufficient
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Re: Is x>y ? [#permalink] New post 29 Aug 2009, 11:23
1
This post received
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Clearly , y <1
Statement 1 does not prove whether x is -ve or +ve.
OA is E
Re: Is x>y ?   [#permalink] 29 Aug 2009, 11:23
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