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# If n is a three-digit positive integer, what is the sum of

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CEO
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If n is a three-digit positive integer, what is the sum of [#permalink]

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11 Mar 2008, 08:18
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If n is a three-digit positive integer, what is the sum of the digits of n ?

(1) The hundreds digit of n is 3 times the units digit.
(2) The hundreds digit of n is 3 more than the tens digit.
[Reveal] Spoiler: OA

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Last edited by Bunuel on 06 Oct 2013, 03:32, edited 2 times in total.
Edited the question, added the OA and moved to DS forum.

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11 Mar 2008, 12:39
kidderek wrote:
bmwhype2 wrote:
If n is a three-digit positive integer, what is the sum of the digits of n?

(1) The hundreds digit of n is 3 times the units digit.
(2) The hundreds digit of n is 3 more than the tens digit.

I like E.

301 or 632

dont forget 963

posted this just to confirm my answer.
dont have the OA for this but i;m pretty sure it's E.
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Re: If n is a three-digit positive integer, what is the sum of [#permalink]

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06 Oct 2013, 02:18
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Let the three digit integer be abc => 100a+10b+c

Statement 1 => a=3c, no info about b insufficient
Statement 2=> a=3+b, no info about c insufficient

Combined we know that

3+b = 3c => Let c = 1, then B = 0, a=3 so the number is 301
Let c = 2, then b = 3, a=6 so the number is 632

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Re: If n is a three-digit positive integer, what is the sum of [#permalink]

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18 Feb 2017, 04:15
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Re: If n is a three-digit positive integer, what is the sum of [#permalink]

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18 Feb 2017, 04:16
fozzzy wrote:
Let the three digit integer be abc => 100a+10b+c

Statement 1 => a=3c, no info about b insufficient
Statement 2=> a=3+b, no info about c insufficient

Combined we know that

3+b = 3c => Let c = 1, then B = 0, a=3 so the number is 301
Let c = 2, then b = 3, a=6 so the number is 632

Very Nice solution. Thanks for sharing.
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Re: If n is a three-digit positive integer, what is the sum of   [#permalink] 18 Feb 2017, 04:16
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