Question

3 pumps of the same capacity can fill the pool in 15 hours.How long will 5 pumps of the same capacity will take to fill the pool ?​

Answer 1

Answer:

9 hrs  

Step-by-step explanation:

3 pumps can fill the pool in 15 hrs.

So, 1 pump can fill the pool in 15*3 hrs = 45 hrs

and so, 5 pumps can fill the pool in 45/5 hrs = 9 hrs