Jebus McAzn wrote:
K. Time for a math puzzle.
You have two ropes. These ropes are not identical, but are both flammable. Both ropes take 1 hour to burn - however, neither rope burns at a constant rate. The rate of burning for both ropes is completely random but regardless, a rope will finishing burning in 1 hour. Another way to think of this is that burning half of the rope does not necessarily mean it will burn in 30 minutes, or that burning a third of the rope will take 20 minutes.
Given these two ropes and a way to light them on fire, how do you measure out 45 minutes?
This is NOT a trick question, so no stupid answers like "LOOK AT YOUR WATCH HURR DURR" or "USE THE FIRE AS A SUNDIAL"
Day[9]s riddle? l0l ez. Jeffy answered it right.
Doing a bit of math in my head, yea you did. <_<
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Bloofyre
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JEFFY40HANDS wrote:
Light both ends of one rope and light one end of the other rope. When the first rope has burned up 30minutes will have elapsed. Light the end of the other rope and it will take 15 minutes because the single lit rope had burned for 30 minutes.....?
Yep, correct.
B-Wong: Day[9] gave this riddle out? I never saw that episode o.o
I've heard about this riddle for years and it's been one of my favorites ever since.
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