Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.

Topic: maths problems + horses
Replies: 18   Last Post: Jan 23, 1999 5:30 PM

 Messages: [ Previous | Next ]
 tony richards Posts: 164 Registered: 12/8/04
Re: maths problems + horses
Posted: Aug 19, 1997 8:57 AM

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 '

Date Subject Author
8/11/97 ttmh
8/11/97 Terry von Gease
9/22/97 Charlie
9/22/97 wyomingite
1/23/99 harley
8/11/97 John McGowan
8/17/97 John F Harper
8/19/97 Serene & Sanguine Sagacity
8/19/97 PE Schmid
8/22/97 Serene & Sanguine Sagacity
8/22/97 John T. Klausner
8/26/97 Serene & Sanguine Sagacity
8/19/97 tony richards
8/19/97 TRM
8/19/97 fred
8/19/97 Steven West
8/19/97 Terry Moore
8/22/97 Serene & Sanguine Sagacity
2/27/98 P107@aol.com