if a 25 cm long candle burn for 45 minutes how long will another candle of the same material and the same thickness but 5 centimetre longer than the previous one burn?
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Candle burns at the rate of 25/45 cm per minute
Time taken by 30CM candle to burn = 30/(25/45) = 54 minute
Time taken by 30CM candle to burn = 30/(25/45) = 54 minute
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