Question

A water tank can be filled in 7 hours by 5 equal sized pumps working together. How much time will 7 pumps take to fill it up.​

Answer 1

Question:

A water tank can be filled in 7 hours by 5 equal sized pumps working together. How much time will 7 pumps take to fill it up?

Answer:

Let's assume tank capacity= 7×5=35

So 7 will fill it = 35/7= 5 hours

In 5hr tank will be filled by 7 pumps

hope it helps you

@Pragnitha

Answer 2

Step-by-step explanation:

5 pumps can fill the tank in 7 hours

1 pump can fill it in 7/5 hours

then, 7 pumps can fill it it 7× 7/5 hours = 49/5 hours = 9.8 hours = 9 hours and (0.8×60) minutes = 9 hours and 48 minutes