Classic Logical Interview Puzzle

60 minutes puzzleClassic Logical Interview Puzzle - 20 November

I have two rectangular wires.
Both of them have property that when i light the fire from one end , it will take 60 minutes to get completely burn.
However they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could i measure 45 minutes ?

For Solution : Click Here

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