Question

8. A swimming pool can be filled in 8 hours by 4 equal pumps. How many such pumps are required if the pool is to be filled in 5-1/3 hours​

Answer 1

Answer:

To fell teh tank in 1 hour total pumps required =4×8=32

In 2

3

2

=

3

8

Total mumps required=

3

8

32

=

8

32×3

=4×3=12 pumps