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# x , y , and z are integers. Are they consecutive? 1. y

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VP
Joined: 30 Jun 2008
Posts: 1008
x , y , and z are integers. Are they consecutive? 1. y [#permalink]

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03 Oct 2008, 00:49
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$$x$$ , $$y$$ , and $$z$$ are integers. Are they consecutive?

1. $$y$$ equals to the arithmetic mean of $$x$$ and $$z$$
2. $$x = -z$$

--== Message from GMAT Club Team ==--

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Manager
Joined: 30 Jun 2006
Posts: 85

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03 Oct 2008, 01:05
E for me.
x and y can take multiple values.
Manager
Joined: 25 Aug 2008
Posts: 188
Location: India
WE 1: 3.75 IT
WE 2: 1.0 IT

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03 Oct 2008, 03:24
I agree with jainvik.
x,y and z can take multiple values.
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Joined: 25 May 2008
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03 Oct 2008, 03:29
1. Insuficient: could be consecutive x=3, y=4 or z=5, or not x=2, y=5, z=8.
2. Insuficient: x=1, y=0, z=-1, or x=-2, y=0 and z=2.

I chose E.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Re: DS - Consecutives   [#permalink] 03 Oct 2008, 03:29
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