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

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VP
Joined: 30 Jun 2008
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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. $$x = -z$$
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"You have to find it. No one else can find it for you." - Bjorn Borg

Kudos [?]: 728 [0], given: 1

Manager
Joined: 30 Jun 2006
Posts: 87

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

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03 Oct 2008, 01:05
E for me.
x and y can take multiple values.

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

Manager
Joined: 25 Aug 2008
Posts: 214

Kudos [?]: 82 [0], given: 5

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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Varun

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Kudos [?]: 82 [0], given: 5

Manager
Joined: 25 May 2008
Posts: 187

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

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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.

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

Re: DS - Consecutives   [#permalink] 03 Oct 2008, 03:29
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