If \(x\) is a positive integer, is \(x\) even?

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by VJesus12 » Sun Aug 15, 2021 8:51 am

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If \(x\) is a positive integer, is \(x\) even?

(1) The remainder of \(\dfrac{x^2-1}4\) is \(0\)
(2) \(x < 5\)

Answer: A

Source: Manhattan GMAT

Source: Beat The GMAT — Data Sufficiency | Sun Aug 15, 2021 8:51 am

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