Question

An overhead tank has 3 pipes a, b, c. A alone can fill it in 15 hours. B alone can fill it in 20 hours. If all three pipes are opened simultaneously, then the tank will overflow in 5 hours. How much time will be consumed by c to fill the entire tank alone?

Answer 1

Answer:

Let A=10

B=15

C=(3)

Take LCM of 10,15,3=30(total capacity )

Total efficient =3+2–10=(5)

30/5=6hr (empty )

Answer 2

Step-by-step explanation:

answer in the picture format.....