Question

    Arjun covers one-third of a certain distance at a speed

    of 45 km/h to reach his destination; It covers half of the remaining distance at a speed of 60 km/h and the remaining distance at a speed of 90 km/h. What is his average speed throughout this period? 
    A 55 km/h Correct Answer Incorrect Answer
    B 65 km/h Correct Answer Incorrect Answer
    C 60 km/h Correct Answer Incorrect Answer
    D 50 km/h Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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