Question

if 4/5 of a cistern is filled in 1 minute how much time will be required to fill the empty cistern answer in unitary method

Answer 1

Answer:

4/5 fillies in 60s

5/5 or 1 can be filled in 60/4/5

and=75 s

Answer 2

Answer:

sorry I don't know this question because of I am a commerce student