If a is a positive integer, is \(a^2\) a multiple of 8?

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by AAPL » Fri Oct 01, 2021 11:49 am

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If a is a positive integer, is \(a^2\) a multiple of 8?

1) \(a^3\) is a multiple of 16

2) \((a+4)^2\) is a multiple of 8

OA D

Source: Beat The GMAT — Data Sufficiency | Fri Oct 01, 2021 11:49 am

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