Question

6 pipes are required to fill a tank in 1 hour 20.how long will it take if only 5 pipes of the same type are used?



in short​

Answer 1

Answer:

it will take 1 hour long for 5 pipes of the same type

Answer 2

Answer:

1hr 36 mint.

Step-by-step explanation:

1 hr 20 minutes=80 minutes

80×6=480

using one pipe we want 480 minutes.

so using 5 pipes we want

480/5=96

= 1hr 36 min