# [r-t] Triples puzzles

Bill Purvis bill at billp.org
Wed Jul 15 15:03:44 BST 2020

```Perhaps we should define question 0:
0. define 'good' ??

Bill

On 15/07/2020 14:26, James Ramsbottom wrote:
> I think that's a very sensible question. We don't want Prof. Holroyd
> to be leading us up the garden path, setting us a puzzle which he
> knows cannot be solved!
>
> James
>
> On Wed, Jul 15, 2020 at 2:15 PM Joe Norton
> <super.joey.norton at gmail.com <mailto:super.joey.norton at gmail.com>> wrote:
>
>     This might be a silly question but do at least parts 1 and 3
>     definitely have a solution? Or might the answer be no to either/both?
>
>     Thanks,
>     Joe.
>
>     On Tue, 14 Jul 2020 at 18:00, Alexander E Holroyd
>     <holroyd at math.ubc.ca <mailto:holroyd at math.ubc.ca>> wrote:
>
>         1. Find an extent using only the three place notations 3,5,147.
>         2. Find a good one.
>         3. Find an extent using only the three place notations 1,7,345.
>         4. Find a good one.
>
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--
+----------------------------------------+
| Bill Purvis                            |
| email: bill at billp.org                  |
+----------------------------------------+

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