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# The mean of twenty-five consecutive positive integers number

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The mean of twenty-five consecutive positive integers number [#permalink]  15 Oct 2017, 22:56
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Question Stats:

100% (04:08) correct 0% (00:00) wrong based on 2 sessions
The mean of twenty-five consecutive positive integers numbers is what percent of the total?

(A) 4%

(B) 5%

(C) 20%

(D) 25%

(E) Cannot be determined by the information provided.

Kudos for correct solution.
[Reveal] Spoiler: OA
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Joined: 03 Sep 2017
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Re: The mean of twenty-five consecutive positive integers number [#permalink]  15 Oct 2017, 23:39
Let's take integers from 1 to 25, which are twenty-five positive consecutive integers. Then, their mean would be computed as $$\frac{1+2+3+\dots+25}{25} = x$$.

Thus, the mean x of those numbers is $$\frac{x}{1+2+\dots+25}=\frac{1}{25}*100=4%$$ of their sum.

Re: The mean of twenty-five consecutive positive integers number   [#permalink] 15 Oct 2017, 23:39
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# The mean of twenty-five consecutive positive integers number

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