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    Question

    A person can row at 10 km/h in still water. The speed of

    the stream is 1(1/9)m/sec.  The time (in hours) taken by him to row a distance of 72 km upstream is:
    A 5(1/7) Correct Answer Incorrect Answer
    B 10(2/7) Correct Answer Incorrect Answer
    C 10 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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