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

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

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02 Oct 2008, 23:49
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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. $$x = -z$$
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03 Oct 2008, 00:05
E for me.
x and y can take multiple values.
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03 Oct 2008, 02:24
I agree with jainvik.
x,y and z can take multiple values.
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03 Oct 2008, 02:29
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.
Re: DS - Consecutives   [#permalink] 03 Oct 2008, 02:29
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