perplexus.info :: Tricks : Don't drink and run

Don't drink and run (Posted on 2006-04-03)

A man runs n times round a circular track with radius t miles.
He drinks s quarts of beer for every mile that he runs.
Prove that he will only need one quart!

Submitted by Jer

Rating: 3.6667 (3 votes)

Solution: (Hide)

Once around the track is 2*pi*t
n times around is 2*pi*t*n which would require 2*pi*n*t*s of beer.
This can be written as 2 pints which is 1 quart.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Puzzle Thoughts	K Sengupta	2023-05-08 23:46:13
Clever	jbcf05	2007-02-27 18:15:56
re: Measure for measure	Percy	2006-04-05 05:13:00
Measure for measure	Dej Mar	2006-04-04 00:25:30
Algebraically	Federico Kereki	2006-04-03 09:32:24
the greek pie	Ady TZIDON	2006-04-03 08:36:27

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