Question

if 10 pipes through which water flows at the same rate can fill a tank in 28 minute if 8 pipe go out of order how long will the remaining pipes to the tank?

Answer 1

10 pipe=28 minutes
1 pipe =2.8 minutes
then,8 pipe:8×2.8=22.4
now,
28+22.4=50.4 minutes.

Answer 2

Ans = 40Minutes

Step-by-step explanation:

No. of remaining Pipes= 10-3

= 7

Now,

10 Pipes can fill the tank in = 28 minutes

1 Pipe can fill the tank in = (28×10)minutes

7 Pipes can fill the tank in = (28×10)/7 minutes

=40 minutes