A candle of 6 cm long burns at the rate of 5 cm in 5 hour and an another candle 8 cm long burns at the rate of 6 cm in 4h. What is the time required to each candle to remain of equal lengths after burning for some hours, when they starts to burn simultaneously with uniform rate of burning?
A. 1 hours
B. 1.5 hours
C. 2 hours
D. 3 hours
E. 4 hours
Answer: Option E
Solution (By Examveda Team)
(6 - x) = (8 - 1.5x) Or, x = 4 cm. So, It will take 4 hours to burn it in such a way that they will remain equal in lengths.This Question Belongs to Arithmetic Ability >> Speed Time And Distance
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