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October 22, 2009 5:27 pm at 5:27 pm
#1068768
hiijacker
Participant
While you are working on that, here is one of my favorite riddles that can be solved in your head.
You have two one-hour fuses: lighting one end of a fuse will cause it to burn down to the other end in exactly one hour’s time. You know nothing else about the fuses; in particular you don’t know how long any segment of a fuse will burn, only that an entire fuse takes one hour. How can you tell when exactly 45 minutes have passed?