Divisiblity

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Source: — Data Sufficiency |

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by pepeprepa » Sun Aug 17, 2008 1:58 am
Yep you are right, that is not the OA?

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by Ian Stewart » Sun Aug 17, 2008 6:50 am
Yes, the answer should be E. N could be zero, and could also be -15, -30, etc... This is not the kind of question you're likely to see on a real GMAT, however.