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    Question

    A boat can cover 120 km in upstream in 6 hours and 180

    km in downstream in 3 hours. Find the speed of the stream.
    A 25 km/hr Correct Answer Incorrect Answer
    B 26 km/hr Correct Answer Incorrect Answer
    C 27 km/hr Correct Answer Incorrect Answer
    D 20 km/hr Correct Answer Incorrect Answer

    Solution

    Downstream speed = 180/3 = 60 km/hr Upstream speed = 120/6 = 20 km/hr Speed of stream = (60 тАУ 20)/2 = 20 km/hr

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