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A, B, C, D are 4 integers such that A <B <C <D, Are [#permalink]
 09 Sep 2007, 13:02
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
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Re: Are A,B,C,D four consecutive integers ? [#permalink]
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
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Re: Are A,B,C,D four consecutive integers ? [#permalink]
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.
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Re: Are A,B,C,D four consecutive integers ?
[#permalink]
09 Sep 2007, 13:47
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