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if x > y^2 > Z^4

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if x > y^2 > Z^4 [#permalink]

02 Sep 2009, 02:37

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100% (04:56) correct

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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

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Re: if x > y^2 > Z^4 [#permalink]

02 Sep 2009, 02:52

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

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Re: if x > y^2 > Z^4 [#permalink]

02 Sep 2009, 06:23

I answered C.
What is OA pls

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Re: if x > y^2 > Z^4 [#permalink]

02 Sep 2009, 06:57

defoue wrote:

I answered C.
What is OA pls

Plug in the numbers I used for option 2. You can see that 2 is possible

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Re: if x > y^2 > Z^4 [#permalink]

02 Sep 2009, 07:32

I agree with E. If you use fractions they can be anything.

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Re: if x > y^2 > Z^4 [#permalink]

02 Sep 2009, 20:47

The OA is E. Thank you all.

Re: if x > y^2 > Z^4 [#permalink] 02 Sep 2009, 20:47

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if x > y^2 > Z^4

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if x > y^2 > Z^4

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