There are two candles of equal lengths and of different thickness. The thicker one lasts of six hours. The thinner 2 hours less than the thicker one. Ramesh lights 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. How long ago did Ramesh light the two candles .
Choose the correct answer.
A) 3 hr	B) 4 hr	C) 2 hr	D) 1 hr	E) 5 hr
Thicker candle - 6hr   thinner candle -4hr   lcm of (6,4)=12   thinner candle burn in 1 hour= 3part   thicker candle burn in 1 hour= 2part   in 1 hr length of candle left : (thicker,thinner):(10,9)   in 2 hr (8,6)   in 3 hr (6,3)   so, 3 hr   3 hrNSWER:3 hr
<result>A</result>
There are two candles of equal lengths and of different thickness. The thicker one lasts of six hours. The thinner 2 hours less than the thicker one. Ramesh lights 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. How long ago did Ramesh light the two candles .