Question

A pipe can fill a cistern in 9 hours due to a leak in its bottom the system fields of in 10 hours with the system is full in how much time will it be emptied by the leak​

Answer 1

Step-by-step explanation:

pipe can fill in 9 hrs work done will be

9

1

Cistern fills up in 10 hrs if there is a leak. So work will be done in

10

1

Time taken to empty the cistern

=

9

1

−

10

1

=

90

10−9

=

90

1

It will be emptied in 90 hrs