Get premium membership and access questions with answers, video lessons as well as revision papers.

Pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. Pipe C can empty the full tank in 40 minutes. Starting...

      

Pipes A and B can fill a tank in 20 minutes and 30 minutes respectively. Pipe C can empty the full tank in 40 minutes.
Starting with an empty tank, calculate the length of time it will take to fill the tank when;
(a) All the three pipes are turned on at the same time.
(b) All the three pipes are turned on at the same time then pipe B is closed after 10 minutes.

  

Answers


sharon
5220191107.png
sharon kalunda answered the question on May 2, 2019 at 08:08


Next: The curved surface area of a cylindrical container is 1980cm2. If the radius of the container is 21cm, calculate to one decimal place the capacity of...
Previous: Madam Akinyi earns a basic salary of KSh. 24,000 per month. In addition she is paid a commission of 5% for sales above KSh.30,000. In...

View More Mathematics Questions and Answers | Return to Questions Index


Learn High School English on YouTube

Related Questions