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N is a positive integer

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N is a positive integer [#permalink] New post   06 Aug 2024, 00:56
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N is a positive integer

Quantity A
Quantity B
Remainder when \(N^2-N\) is divided by 2
zero



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C
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podknee
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Re: N is a positive integer [#permalink] New post   20 Sep 2024, 03:30
1
N is a positive integer, N^2 - N = N(N - 1)
then A includes an odd and an even integer, product of an odd and an even integer is an even integer
=> remainder when (N^2 - N) / 2 is always 0
=> C
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Re: N is a positive integer [#permalink]
20 Sep 2024, 03:30
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