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 Burning ropes (Posted on 2002-03-28)
You have two ropes. You know that each rope takes one hour to burn from one end to the other, but that the burning does not take place at a constant rate (i.e. half the rope may burn in one minute, and the other half will take 59 more minutes to burn).

How would you go about measuring a 45 minute time interval with just these two ropes?

 See The Solution Submitted by levik Rating: 3.7308 (26 votes)

 Subject Author Date First puzzle Math Man 2012-05-11 21:03:09 Solution K Sengupta 2007-05-16 06:17:05 Wow jbcf05 2007-03-07 16:26:16 a new curve on things. gabbo 2004-09-15 21:46:54 re: a try Dacre 2003-10-24 09:28:49 cool Talon5000 2003-07-31 11:04:58 Saw John Tate 2003-06-08 11:16:11 Give up. John Tate 2003-06-08 11:14:28 try this mark hartman 2003-05-28 18:03:33 re: a try Emon Hunte 2003-02-02 16:49:24 a try ubergeek 2002-12-26 00:23:16 re: Cool dex 2002-12-18 13:29:51 Cool Eric 2002-05-07 06:38:30

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