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    Question

    Bala travels first one-third of the total distance at

    the speed of 10 km/h and the next one-third distance at the speed of 20 km/h and the last one – third distance at the speed of 60 km/h. What is the average speed of Bala?
    A 18 km/h Correct Answer Incorrect Answer
    B 19 km/h Correct Answer Incorrect Answer
    C 16 km/h Correct Answer Incorrect Answer
    D 12 km/h Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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