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# If b is the product of three consecutive positive integers

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Manager
Joined: 05 Sep 2007
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If b is the product of three consecutive positive integers [#permalink]

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27 Jan 2008, 14:01
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If b is the product of three consecutive positive integers c, c+1, c+2, is b multiple of 24?
1. b is a multiple of 3
2. c is odd

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CEO
Joined: 17 Nov 2007
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Concentration: Entrepreneurship, Other
Schools: Chicago (Booth) - Class of 2011
GMAT 1: 750 Q50 V40

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27 Jan 2008, 14:31
E

b=3*4*5 and b=7*8*9 satisfy both condition but only second variant is divisible by 24
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CEO
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27 Jan 2008, 22:45
walker wrote:
E

b=3*4*5 and b=7*8*9 satisfy both condition but only second variant is divisible by 24

I also get E using 123 and 789

???

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Re: DS: multiple   [#permalink] 27 Jan 2008, 22:45
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