Question

5 pumps are required to fill a tank in 1 1/2hours how many pumps is the same type are used to fill the the tank in half an hour

Answer 1

Step-by-step explanation:

so it is in inverse proportion as to reduse time we need to increase tthe number of 11/2 hous= 11/2 × 60 hours =330 minutes.

let the number of taps be x .

APC,

330×5=30×x

or x= 1980