Question

A tank can be filled in 30 minutes but there are two Leakages, one at the bottom of the tank which can empty the full tank in 60 minutes and other at the mid of the tank which can empty the tank in 90 minutes. In how many minutes tank can be filled ?​

Answer 1

Answer:

$given$

A tank can be filled in 30 minutes but there are two Leakages, one at the bottom of the tank which can empty the full tank in 60 minutes and other at the mid of the tank which can empty the tank in 90 minutes. In how many minutes tank can be filled ?

$solution$

A tank can be filled in 30 minutes but there are two Leakages, one at the bottom of the tank which can empty the full tank in 60 minutes and other at the mid of the tank which can empty the tank in 90 minutes. In how many minutes tank can be filled ?