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    Question

    A boy can swim in water with a speed of 16 km/hr in

    still water. If the speed of the stream is 9 km/hr, what will be the time taken by the boy to cover 50 km downstream?
    A 2 hrs Correct Answer Incorrect Answer
    B 3 hrs Correct Answer Incorrect Answer
    C 5 hrs Correct Answer Incorrect Answer
    D 6 hrs Correct Answer Incorrect Answer

    Solution

    Downstream Speed = (16 + 9) km/hr = 25 km/hr Time taken = 50/25 = 2 hours

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