Question

SUB:1 To fill a swimming pool it would take either: 2 days using pipe A. 3 days using pipe B. 4 days using pipe C, or 6 days using pipe D. Ir the pool is filled using all four pipes working at once, how long would it take to fill the pool in hours and minutes) -​

Answer 1

Answer:

It can take 12 hours to fill a swimming pool using two pipes. If the pipe of larger diameter is used for 4 hours and the pipe of smaller diameter for 9 hours, only half of the pool can be filled. ... Now, in 4 hour pipe A can fill the pool is = 1x×4=4x.