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What is the remainder when \(7 + 10n\) is divided by \(3\) if \(n\) is a single digit positive integer?

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What is the remainder when \(7 + 10n\) is divided by \(3\) if \(n\) is a single digit positive integer?

by Vincen » Thu Jul 30, 2020 8:09 am

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What is the remainder when \(7 + 10n\) is divided by \(3\) if \(n\) is a single digit positive integer?

(1) \(10n+6\) is divisible by \(3\)

(2) \(n+6 = 12\)

[spoiler]OA=D[/spoiler]

Source: e-GMAT
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