Two candles of equal length are lit at the same time. One
candle takes nine hours to burn out. The other takes six
hours to burn out. After how much time will the slower-
burning candle be twice as long as the faster-burning
candle?
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Answer Posted / nisha
aftr 3 times burning.. bcoz..twice the fast-burning candle
means 18hours... and slower-burning candle takes 6hours, so
it will take 3 times i.e. 18hours to level the other.
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