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.Related Questions on Speed Time and Distance
A. 48 min.
B. 60 min.
C. 42 min.
D. 62 min.
E. 66 min.
A. 262.4 km
B. 260 km
C. 283.33 km
D. 275 km
E. None of these
A. 4 hours
B. 4 hours 30 min.
C. 4 hours 45 min.
D. 5 hours
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