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    Question

    The speed of a boat while

    traveling upstream is 6 km/hr. If the boat takes a total of 56 hours to travel 264 km downstream and the same distance upstream, what is the speed of the boat in still water?
    A 14 km/hr Correct Answer Incorrect Answer
    B 18 km/hr Correct Answer Incorrect Answer
    C 22 km/hr Correct Answer Incorrect Answer
    D 28 km/hr Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the speed of the boat in still water be тАШbтАЩ km/hr Therefore, speed of current = (b тАУ 6) km/hr According to the question, {264/(2b тАУ 6)} + 264/6 = 56 Or, 2b тАУ 6 = 264/12 Or, b = 14┬а

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