There are two pipes, an inlet pipe , which completely fills a tank at 6 litre/min and an outlet pipe which empties the tank at 4 litre/min .The pipe function alternately for 1 minute and the inlet pipe is the first to function. Considering the capacity of the tank as 50 litres , how much time will it take to completely fill the tank?

Harshit Singh , 4 Years ago

Grade 12th pass