Two candles of equal lengths and of different thickness are
there. The thicker one will last of six hours. The thinner
2 hours less than the thicker one. Ramesh light the two
candles at the same time. When he went to bed he saw the
thicker one is twice the length of the thinner one. For how
long did Ramesh lit two candles ?please describe full
description
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Answer Posted / tarun
the thicker candle lights for 6 hrs , so in 1 hr it will
reduce in length by L/6
similarly the thinner candle will reduce in length by L/4.
applying trial and check
eg. after 3 hrs
reduced length of thicker candle = L/6 *3 = 0.5 L
there fore length remaining of thicker candle = L- 0.5 L
= 0.25 L
similarly reduced length of thinner candle after 3 hrs
= L/4 * 3 = 0.75 L
there fore length remaining of thinner candle = L-0.75 L
= 0.25 L
as can be seen length remaining of thicker candle is twice
the length remaining of thinner candle.
| Is This Answer Correct ? | 19 Yes | 8 No |
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