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Is the integer r divisible by 3?

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Director
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Is the integer r divisible by 3? [#permalink] New post 18 May 2008, 17:21
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Is the integer r divisible by 3?

(1) r is the product of 4 consecutive integers.
(2) r < 25
[Reveal] Spoiler: OA

Last edited by Bunuel on 08 Apr 2015, 02:39, edited 1 time in total.
Renamed the topic, edited the question, added the OA and moved to DS forum.
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Re: Is the integer r divisible by 3? [#permalink] New post 18 May 2008, 17:36
jimmyjamesdonkey wrote:
Is the integer r divisible by 3?

1) r is the product of 4 consecutive integers.

2) r < 25


A

1x2x3x4 or 4x5x6x7 or ...
every 4 consecutive integers contains at least 1 number that is divisible by 3

statement 2: r could be 3 or r could be 5
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Re: Is the integer r divisible by 3? [#permalink] New post 18 May 2008, 18:05
Correct, a easy one I botched for some reason.
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Re: Is the integer r divisible by 3? [#permalink] New post 18 May 2008, 20:11
A

you atleast have one integer divisible by 3 for every 3 consecutive numbers, the question says 4 consecutive numbers thus A

Stmt-2 does not provide any info thus insufficient
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Re: Is the integer r divisible by 3? [#permalink] New post 07 Apr 2015, 21:46
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Re: Is the integer r divisible by 3?   [#permalink] 07 Apr 2015, 21:46
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