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

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Manager
Joined: 28 Aug 2006
Posts: 143

Kudos [?]: 175 [0], given: 0

A, B, C, D are 4 integers such that A <B <C <D, Are [#permalink]

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09 Sep 2007, 13:02
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

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

Kudos [?]: 175 [0], given: 0

VP
Joined: 10 Jun 2007
Posts: 1436

Kudos [?]: 349 [0], given: 0

Re: Are A,B,C,D four consecutive integers ? [#permalink]

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09 Sep 2007, 13:14
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

Kudos [?]: 349 [0], given: 0

Director
Joined: 03 May 2007
Posts: 871

Kudos [?]: 264 [0], given: 7

Schools: University of Chicago, Wharton School
Re: Are A,B,C,D four consecutive integers ? [#permalink]

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09 Sep 2007, 13:47
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.

Kudos [?]: 264 [0], given: 7

Re: Are A,B,C,D four consecutive integers ?   [#permalink] 09 Sep 2007, 13:47
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A, B, C, D are 4 integers such that A <B <C <D, Are

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