Discuss Forum

1.

A pump can fill a tank with water in 2 hours . Because of a leak , it took 213213 hours to fill the tank.The leak can drain all the water of the tank in -

  • A. 4 ( 1 3 ) hours
  • B. 4 ( 1 3 ) hours
  • C. 4 ( 1 3 ) hours
  • D. 4 ( 1 3 ) hours

Answer: Option B

Explanation:


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