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OG-12 Problem 82

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sarmabrk
 Post subject: OG-12 Problem 82
 Post Posted: Sun Jul 17, 2011 3:32 pm 
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Course Students


Posts: 3
deleted by moderator JNelson
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george.kourdin
 Post subject: Re: OG-12 Problem 82
 Post Posted: Mon Jul 18, 2011 11:00 am 
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Course Students


Posts: 98
dont think you can just add Ns and numbers. its a product of a 3 numbers, not a sum. we are essentially treating it (A) as N+N+1+N-4.
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jnelson0612
 Post subject: Re: OG-12 Problem 82
 Post Posted: Sat Jul 30, 2011 10:53 pm 
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ManhattanGMAT Staff


Posts: 1857
Sorry all, we are not allowed to reproduce OG questions here, so I have deleted the question. However, let me say that the BEST way to do this one, by far, is to test numbers. Since n must be greater than 6, plug n is 7 and eliminate. Then plug 8 and eliminate. At that point you've got it!

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Jamie Nelson
ManhattanGMAT Instructor
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