Question

    A water tank has two holes. The 1 hole alone empties the

    tank in 9 minutes and 2nd hole alone empties the tank in 6 minutes. If water leaks out at a constant rate, how many minutes does it take if both the holes together empty the tank?
    A 18/5 Correct Answer Incorrect Answer
    B 3/5 Correct Answer Incorrect Answer
    C 16/5 Correct Answer Incorrect Answer
    D 17/5 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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