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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