Question

A pipe can fill a tank in 25 minutes and another pipe can empty the tank in 50 minutes. If both pipes are opened simultaneously in what the tank will filled in mahendra guru

Answer 1

Answer:

50min

Step-by-step explanation:

A fill 4perc. of tank in 1 min.

B empty 2perc. of tank 1 min

so both open then 10/(4-2)=50min