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GMAT Number Theory
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Author:  Gennadiy [ Wed Oct 31, 2012 5:15 pm ]
Post subject:  Re: GMAT Number Theory


Author:  questioner [ Wed May 22, 2013 11:27 am ]
Post subject:  Re: GMAT Number Theory

Wrong answer, suppose n = 6, a = 1, m = 9.

Author:  Gennadiy [ Wed May 22, 2013 11:33 am ]
Post subject:  Re: GMAT Number Theory


Author:  questioner [ Wed May 22, 2013 12:09 pm ]
Post subject:  Re: GMAT Number Theory

n = 2m × k (given) , if k = 1 and m = 2, then n = 4. m is NOT divisible by m. So, it is not sufficient as well.

Author:  Gennadiy [ Wed May 22, 2013 12:21 pm ]
Post subject:  Re: GMAT Number Theory


Author:  questioner [ Thu Aug 15, 2013 2:57 pm ]
Post subject:  Re: GMAT Number Theory

I think statement 2 is insufficient as well: if 2m is divisor of n then let's say that m = n = 3 --> 6/3 = 2 let's say, in addition, that a = 1 then 3 is not divisor of 9 (3²).

Author:  Gennadiy [ Thu Aug 15, 2013 3:02 pm ]
Post subject:  Re: GMAT Number Theory


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