A

Admin • 825.56K Points
Coach

Q. Two pipes can fill a tank in 12 hours and 18 hours respectively. An outlet pipe can empty the tank in 36 hours. How long will the tank take to fill?

  • (A) 9 hours
  • (B) 10 hours
  • (C) 12 hours
  • (D) 18 hours
Explanation by: Admin
Net rate = 1/12 + 1/18 − 1/36 = 1/12.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.