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    Question

    The speed of a boat in still water is 12 km/h and the

    speed of the stream is 3 km/h. What is the speed of the boat upstream?
    A 9 km/h Correct Answer Incorrect Answer
    B 2 km/h Correct Answer Incorrect Answer
    C 7 km/h Correct Answer Incorrect Answer
    D 11 km/h Correct Answer Incorrect Answer

    Solution

    ATQ, Upstream speed = boat speed - stream speed  = 12 - 3 = 9 km/h

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