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GMAT Number Theory http://www.800score.com/forum/viewtopic.php?f=3&t=91 
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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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