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\(A, B, C\) and \(D\) are positive integers such that \(\dfrac{A}{B} = \dfrac{C}{D}.\) Is \(C\) divisible by \(5?\)

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by VJesus12 » Thu Nov 05, 2020 8:08 am

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\(A, B, C\) and \(D\) are positive integers such that \(\dfrac{A}{B} = \dfrac{C}{D}.\) Is \(C\) divisible by \(5?\)

(1) \(A\) is divisible by \(210.\)
(2) \(B = 7^x,\) where \(x\) is a positive integer.

Answer: C

Source: Veritas Prep
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