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      Question

      During the transportation of a tank, it got damaged and

      has a leakage which can empty the tank in 30 minutes. It has 1 tap which can fill it at the rate of 4 litres/minute. It was found that the tank got empty in 90 minutes. How much is the capacity of the tank?
      A 180 litres Correct Answer Incorrect Answer
      B 190 litres Correct Answer Incorrect Answer
      C 160 litres Correct Answer Incorrect Answer
      D 150 litres Correct Answer Incorrect Answer

      Solution

      The correct answer is A

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