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Two candles of the same height are ligh...

Two candles of the same height are lighted at the same time the first is consumed in 8 hours and the second in 6 hours .Assuming that each candles burn at constant rate in how many time after being lighted the ratio of length become`5:4` .

A

2 H 24 M

B

3H

C

4 H 48 M

D

1 H 12 M

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