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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]

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New post 27 Aug 2009, 07:53
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A
B
C
D
E

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(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 3 sessions

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Is x>y ?
1) x^2 > y^2
2) y-y^2 > 0
Manager
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Joined: 10 Jul 2009
Posts: 169
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Re: Is x>y ? [#permalink]

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New post 27 Aug 2009, 08:01
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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Schools: RD 2: Darden Class of 2012
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Re: Is x>y ? [#permalink]

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New post 27 Aug 2009, 08:34
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
1 KUDOS received
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Joined: 29 Jul 2009
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Re: Is x>y ? [#permalink]

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New post 29 Aug 2009, 12:23
1
This post received
KUDOS
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, 12:23
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