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A, B, C, D are 4 integers such that A <B <C <D, Are

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Manager
Manager
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Joined: 28 Aug 2006
Posts: 146
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Kudos [?]: 24 [0], given: 0

A, B, C, D are 4 integers such that A <B <C <D, Are [#permalink] New post 09 Sep 2007, 12:02
A, B, C, D are 4 integers such that A <B <C <D,
Are A, B, C, D four consecutive integers ?

(1) B = C-1
(2) D- C = 1
VP
VP
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Joined: 10 Jun 2007
Posts: 1467
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Kudos [?]: 108 [0], given: 0

Re: Are A,B,C,D four consecutive integers ? [#permalink] New post 09 Sep 2007, 12:14
humtum0 wrote:
A, B, C, D are 4 integers such that A <B <C <D,
Are A, B, C, D four consecutive integers ?

(1) B = C-1
(2) D- C = 1


E.

(1) B and C are consecutive, but A and D might or might not be
INSUFFICIENT

(2) D and C are consecutive, but A and B might or might not be
INSUFFICIENT

Together, B, C, D are consecutive, but A might or might not be.
INSUFFICIENT
Director
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Joined: 03 May 2007
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Schools: University of Chicago, Wharton School
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Kudos [?]: 52 [0], given: 7

Re: Are A,B,C,D four consecutive integers ? [#permalink] New post 09 Sep 2007, 12:47
humtum0 wrote:
A, B, C, D are 4 integers such that A <B <C <D,
Are A, B, C, D four consecutive integers ?

(1) B = C-1
(2) D- C = 1



Since nither statement talk about A, so must be E.
Re: Are A,B,C,D four consecutive integers ?   [#permalink] 09 Sep 2007, 12:47
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A, B, C, D are 4 integers such that A <B <C <D, Are

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