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Three 3 digit numbers using 1-9 (Posted on 2010-11-11) Difficulty: 3 of 5
There are three 3 digit numbers such that the digits 1,2,3...8,9 are used once each to write them. They are found to be in the ratio 1:3:5 Find all such possible triplets.

No Solution Yet Submitted by Vishal Gupta    
Rating: 2.5000 (2 votes)

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One alone... (solution?) | Comment 1 of 3

The only way to use the nine digits in the ratio 1:3:5 is the triplet 129  387  645.  The first number must be between 100 and 200, else the third number would be greater than 999.  Am I missing something here??

  Posted by ed bottemiller on 2010-11-11 18:39:47
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