A

Admin • 825.56K Points
Coach

Q. A pipe fills a tank in 18 hours. Due to a leak at the bottom, it is filled in 24 hours. In how many hours can the leak empty the tank?

  • (A) 48 hours
  • (B) 72 hours
  • (C) 36 hours
  • (D) 24 hours
Explanation by: Admin
Leak rate = 1/18 − 1/24 = 1/72.

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