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You are given two candles of equal size, which can burn 1 hour each. You have to measure 90 minutes with these candles.,Note: There is no scale or clock.

Also you are given a lighter.


I think:
first we should allow 1st candle to burn completely = 1 hour
and next candle exactly half =30 min
total : 30 + 60 = 90 min
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