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If \(a\) is a positive integer and \(81\) divided by \(a\) results in a remainder of \(1,\) what is the value of \(a?\)

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by VJesus12 » Thu Oct 29, 2020 11:10 am

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If \(a\) is a positive integer and \(81\) divided by \(a\) results in a remainder of \(1,\) what is the value of \(a?\)

(1) The remainder when a is divided by \(40\) is \(0.\)
(2) The remainder when \(40\) is divided by a is \(40.\)

Answer: B

Source: Manhattan GMAT
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