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    Question

    The speed of a boat downstream is 20% more than the

    speed of the boat in still water. If the boat can travel a distance of 288 km upstream in 18 hours, then find the distance traveled by the boat in 12.5 hours in downstream.
    A 320km Correct Answer Incorrect Answer
    B 280km Correct Answer Incorrect Answer
    C 300km Correct Answer Incorrect Answer
    D 260km Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the speed of the boat be 10x km/h. Speed of boat in downstream = 1.2 ├Ч 10x = 12x km/h Speed of boat in upstream = 10x тАУ 2x = 8x km/h According to the question. 8x = 288/18 =16 x = 16 x = 2 speed of the boat in downstream= 12├Ч2=24 desired distance=24├Ч12.5 =300km

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