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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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