Solution: With all the three pipes open, how long will it take to fill the tank?

(Last Updated On: January 20, 2020)

With all the three pipes open, how long will it take to fill the tank?

Problem Statement: CE Board November 1993

A 400-mm pipe can fill the tank alone in 5 hours and another 600-mm pipe can fill the tank alone in 4 hours. A drain pipe 300-mm can empty the tank in 20 hours. With all the three pipes open, how long will it take to fill the tank?

Problem Answer:

With three pipes open, it will 2.5 hours to fill the tank.

View Solution:
Solution: With all the three pipes open, how long will it take to fill the tank?

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