A

Admin • 825.56K Points
Coach

Q. Pipe A can fill a tank in 8 hours and pipe B can fill it in 16 hours. Pipe C empties the tank in 12 hours. If all are opened together, the tank will be filled in?

  • (A) 6 hours
  • (B) 8 hours
  • (C) 12 hours
  • (D) No filling
Explanation by: Admin
Net rate = 1/8 + 1/16 − 1/12 = 1/12.

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