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    Question

    A boat can cover 190 km in downstream in 19 hours and

    125 km in upstream in 25 hours. Find the speed of boat in still water.
    A 10 km/hr Correct Answer Incorrect Answer
    B 14 km/hr Correct Answer Incorrect Answer
    C 12 km/hr Correct Answer Incorrect Answer
    D 17 km/hr Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Downstream speed of the boat = 190/19 = 19 km/hr Upstream speed of the boat = 125/5 = 5 km/hr Speed of boat in still water = (19 + 5)/2 = 12 km/hr

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