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Is \(x\) divisible by \(30?\)

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by M7MBA » Thu Sep 17, 2020 12:57 am

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B

C

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E

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Is \(x\) divisible by \(30?\)

(1) \(x = k\cdot (m^3 - m),\) where \(m\) and \(k\) are both integers greater than \(9.\)
(2) \(x = n^5 - n,\) where \(n\) is an integer greater than \(9.\)

Answer: B

Source: Manhattan GMAT
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