A

Admin • 825.56K Points
Coach

Q. Two inlet pipes fill a tank in 5 hours and 10 hours respectively. If an outlet pipe empties the tank in 20 hours, how long will the tank take to fill?

  • (A) 4 hours
  • (B) 5 hours
  • (C) 6 hours
  • (D) 8 hours
Explanation by: Admin
Net rate = 1/5 + 1/10 − 1/20 = 1/4.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.