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835 - Math - Problem Solving

Math - Problem Solving MCQ No. : 30975

Question: Pipe A can fill a tank in 'a' hours. On account of a leak at the bottom of the tank it takes thrice as long to fill the tank. How long will the leak at the bottom of the tank take to empty a full tank, when pipe A is kept closed?

  1. (3/2)a hours
  2. (2/3)a
  3. (4/3)a
  4. (3/4)a

Correct Answer: A

Explanation:

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