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Re: maths problems + horses
Posted:
Aug 19, 1997 8:57 AM
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root@your.innate.potentialities (Ye Olde Mean Vile & Evil Muleskinner) wrote:
>ttmh <rdc86@dial.pipex.com> wrote ISO:
>>... maths
>>problems set around horses...
>
>You and two horses are trapped in a barn with two doors,
>only one of which you may open, with one leading to the
>safety of the pasture and one leading to the bottomless
>crevasse opened by an earthquake (ie certain death).
>
>One horse can only tell the truth, while the other can
>only lie (this is obviously hypothetical), and both
>animals know which door is which. You can ask only
>one of them which door to use.
>
>How do you get out alive?
>
You ask one horse the following question:
'Tell me which door the other horse will tell me is the door
which will lead us to safety?'
If you ask the truth-telling horse, he will indicate the death door.
If you ask the lying horse, he will indicate the death door
--
Tony Richards 'I think, therefore I am confused'
Rutherford Appleton Lab '
UK '
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