A

Admin • 825.56K Points
Coach

Q. A pipe can fill a tank in 25 hours. Another pipe empties it in 50 hours. If both are opened together, how long will it take to fill the tank?

  • (A) 25 hours
  • (B) 33.33 hours
  • (C) 50 hours
  • (D) 75 hours
Explanation by: Admin
Net rate = 1/25 − 1/50 = 1/50.

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