If \(x^2=y+5, y=z-2\) and \(z=2x,\) is \(x^3+y^2+z\) divisible by \(7?\)

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by VJesus12 » Thu Apr 08, 2021 11:51 am

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If \(x^2=y+5, y=z-2\) and \(z=2x,\) is \(x^3+y^2+z\) divisible by \(7?\)

(1) \(x>0\)
(2) \(y=4\)

Answer: D

Source: GMAT Club Tests

Source: Beat The GMAT — Data Sufficiency | Thu Apr 08, 2021 11:51 am

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