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If xyz is not equal to 0, what is the value of z/(y^3)? 1.

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Manager
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If xyz is not equal to 0, what is the value of z/(y^3)? 1. [#permalink] New post 06 Sep 2006, 17:23
00:00
A
B
C
D
E

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If xyz is not equal to 0, what is the value of z/(y^3)?

1. x=3/4y
2. z=2/3x
Senior Manager
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Re: DS- Value of the variable [#permalink] New post 06 Sep 2006, 17:53
Is it E ??

lan583 wrote:
If xyz is not equal to 0, what is the value of z/(y^3)?

1. x=3/4y

Nothing given about z, INSUFF

2. z=2/3x


Nothing given about y INSUFF

combining, for z/y^3 we get an equation in terms of x. Hence E
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 [#permalink] New post 07 Sep 2006, 04:26
OA: B

I don't know how but thats the answer.
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 [#permalink] New post 07 Sep 2006, 04:33
lan583 wrote:
OA: B

I don't know how but thats the answer.


How can we find the value without knowing y :?:

Can you recheck the source?
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 [#permalink] New post 07 Sep 2006, 05:10
The OA is B. But there's no explanation given. I think the answer is wrong. That's all I know
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 [#permalink] New post 07 Sep 2006, 08:53
How it could be B? OA must be wrong.
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SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008

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 [#permalink] New post 07 Sep 2006, 09:33
Yup sure something is wrong either the question or the answer

or all of us

:lol:
  [#permalink] 07 Sep 2006, 09:33
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If xyz is not equal to 0, what is the value of z/(y^3)? 1.

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