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by Menzorra » Mon May 13, 2013 6:32 am
What I think:

The value for 2N contains twice as many ways you can divide that number than just N.
Let say N = 3 (divisible by 1 and 3)
2N=6 (divisible by 1, 3 and 2)

In this case 2N can only be divided 1 time more than just N. So in statement two N = more than 3 You should find the number that fits.

Hope this is a bit more clear, its hard to explain :)
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by freyesinsb » Mon May 13, 2013 7:33 am
1. Insufficient-N could be 3 or 6 and would satisfy the question.
2. Try picking numbers-1 would satisfy as 1 only has one factor. Multiply by two and the factors double. 3 would satisy (two factors 3 and 1). Multiply by two to get six and the factors double (1,3,2,6). Since two conditions are met, this is also insufficient.

Combine the statements and you should get C as the answer. I tried picking more numbers to see if any more met the condition but couldn't find any.
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by Manpreet Singh » Mon May 13, 2013 10:22 am
Freyesinsb OA is B
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by Manpreet Singh » Mon May 13, 2013 10:24 am
Menzorra : I am still unable to understand. Can you please explain in little depth
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by freyesinsb » Mon May 13, 2013 2:12 pm
Most GMAT Prep questions have been done on here before. Try searching on google or on the site for thread. Here is the solution. Hope it helps.


https://www.beatthegmat.com/is-the-integ ... 81868.html
:)
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