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    Question

    A boat can cover 130 km in upstream in 13 hours and 120

    km in downstream in 4 hours. Find the speed of the stream.
    A 12 km/hr Correct Answer Incorrect Answer
    B 15 km/hr Correct Answer Incorrect Answer
    C 10 km/hr Correct Answer Incorrect Answer
    D 16 km/hr Correct Answer Incorrect Answer

    Solution

    Downstream speed = 120/4 = 30 km/hr Upstream speed = 130/13 = 10 km/hr Speed of stream = (30 – 10)/2 = 10 km/hr

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