Question

8 pipes are required to fill a tank in 2 hours .how long will it take only 4 pipes of the same type same type are used​

Answer 1

Answer:

4 hours

Step-by-step explanation:

If the number of pipes increases, the time decreases. So, we will use inverse proportionality, here.

8 pipes = 2 hours

1 pipe = 8 × 2 hours = 16 hours

4 pipes = 16/4 hours = 4 hours

Answer 2

Answer:

1 hour

Step-by-step explanation:

8=2

4=?

8/4=2

2/2=1