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KVPY SA Exam 2016 Question Paper

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Question : 11

Total: 80

There are two candles of same length and same size. Both of them burn at uniform rate. The first one bums in 5 hours and the second one burns in 3 hours. Both the candles are lit together. After how many minutes the length of the first candle is 3 times that of the other?

90
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150

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