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    Question

    An aeroplane coves a certain distance at a speed of 280

    km/h in  4/(3/4) hours. To cover the same distance in 7 hours, it must travel at a speed (in km/h) of:
    A 140 Correct Answer Incorrect Answer
    B 190 Correct Answer Incorrect Answer
    C 175 Correct Answer Incorrect Answer
    D 180 Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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