Question
Quantitative Aptitude Question on Ratio and Proportion
A tank is connected to three pipes - Pipe A, B and C. Pipe A can fill the tank in 6 hours, B can fill the tank in 8 hours and Pipe C can empty the full tank in 12 hours. How much time will it take to fill the tank completely if all three pipes are working together?
A
4 hours
B
4 hours 48 minutes
C
5 hours
D
5 hours 20 minutes
Answer
4 hours 48 minutes
Explanation
Solution
The correct option is (B): 4 hours 48 minutes.