Question

2 pipes are required to fill a tank in 6 hours. How long will 3 pipes of

the same type take to fill the tank ​

Answer 1

Let the desired time to fill the tank be x minutes. In 80 mins a tank is filled by 6 pipesLesser the number of pipes more will be the time required .

Answer 2

Answer:

2:6 :: 3:x ( Ratio and propotion method )

6 × 3 = 2x

2x = 18

x = 18/2 = 9

∴ 3 pipes will fill the tank in 9 hours.