Question

    The upstream speed of a boat is 8 km/h and the

    downstream is 15 km/h. What is the speed of the boat in still water and the speed of the stream (in km/h), respectively?
    A 11 and 3 Correct Answer Incorrect Answer
    B 3 and 11 Correct Answer Incorrect Answer
    C 11.5 and 3.5 Correct Answer Incorrect Answer
    D 3.5 and 11.5 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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