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# if x > y^2 > Z^4

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Manager
Joined: 13 Jan 2009
Posts: 170
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if x > y^2 > Z^4 [#permalink]

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02 Sep 2009, 01:37
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Question Stats:

100% (04:56) correct 0% (00:00) wrong based on 1 sessions

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if x > y^2 > Z^4, which of the following statements could be true?

I. x > y > z
II. z > y > x
III. x > z > y

a. I only
b. I and II only
c. I and III only
d. II and III only
e. I, II, and III
Senior Manager
Joined: 23 Jun 2009
Posts: 361
Location: Turkey
Schools: UPenn, UMich, HKS, UCB, Chicago
Followers: 5

Kudos [?]: 130 [0], given: 80

Re: if x > y^2 > Z^4 [#permalink]

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02 Sep 2009, 01:52
1 possible x=2, y=1, z=0,5
2 possible x=0,9, y=0,94, z=0,96
3 possible x=2, y=0,94, x=0,96

e
Intern
Joined: 30 Jun 2009
Posts: 48
Followers: 1

Kudos [?]: 11 [0], given: 2

Re: if x > y^2 > Z^4 [#permalink]

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02 Sep 2009, 05:23
What is OA pls
Senior Manager
Joined: 23 Jun 2009
Posts: 361
Location: Turkey
Schools: UPenn, UMich, HKS, UCB, Chicago
Followers: 5

Kudos [?]: 130 [0], given: 80

Re: if x > y^2 > Z^4 [#permalink]

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02 Sep 2009, 05:57
defoue wrote:
What is OA pls

Plug in the numbers I used for option 2. You can see that 2 is possible
Manager
Joined: 05 Jun 2009
Posts: 77
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Kudos [?]: 2 [0], given: 1

Re: if x > y^2 > Z^4 [#permalink]

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02 Sep 2009, 06:32
I agree with E. If you use fractions they can be anything.
Manager
Joined: 13 Jan 2009
Posts: 170
Followers: 4

Kudos [?]: 25 [0], given: 9

Re: if x > y^2 > Z^4 [#permalink]

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02 Sep 2009, 19:47
The OA is E. Thank you all.
Re: if x > y^2 > Z^4   [#permalink] 02 Sep 2009, 19:47
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