Measure Time by Burning Rope Puzzle-Asked in interviews.


You have two ropes and a box of matches. Each rope takes exactly one hour to burn, but they may not necessarily burn evenly — i.e., the first half might burn in the first 10 minutes and the second in the remaining 50). What durations of time can you measure using the 2 ropes? Times do not have to start when the first rope is lit.

A) 1 hour

B) 30 minutes

C) 45 minutes

D) 15 minutes

Solution: A B C D are the solutions

Thanks for Reading

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