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How can the guy measure 45 mins using these two wires ?

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A guy has two wires of varying thickness, which each burns in 60 minutes. He actually wants to measure 45 mins. How can he measure 45 mins using only these two wires. (he can’t cut the one wire in half because the wires are non-homogeneous and he can’t be sure how long it will burn).

posted Apr 29, 2014 by Amarvansh

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1 Answer

+1 vote

Burn the first wire at both ends.Also burn 2nd wire at one it completely burns off the 1st wire after 30 minutes .light the other end of 2nd wire.Already one end is alight with 30 mints 30 + 15=45

answer Apr 29, 2014 by Satish Kumar Vadlavalli

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