Question

14 types are required to fill a tank in 40 minutes how long will it take if only 7 pipes are used​

Answer 1

Answer:

if ment 7tires then the answer will be 20 minutes because 14tires 40minutes then 7tires is half of 14 so half of 14 tires is 7 and time will be half as well so answer is 20minutes

Answer 2

Answer:

if 14 pipes are used so it take 40 minutes and 7 is half of 14 so it will take double time so 40×2=80=1 hour 20 minute or 80 minutes