Is \(k^2\) odd?

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Is \(k^2\) odd?

by Vincen » Wed Nov 18, 2020 10:32 am

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Global Stats

Is \(k^2\) odd?

(1) \(k - 1\) is divisible by \(2.\)
(2) The sum of \(k\) consecutive integers is divisible by \(k.\)

Answer: D

Source: Manhattan GMAT
Source: — Data Sufficiency |