Question

    A man goes to Mumbai from Pune at a speed of 4 km/hr and

    returns to Pune at speed of 6 km/hr. What is his average speed of the entire journey?
    A 4.8 km/hr Correct Answer Incorrect Answer
    B 5 km/hr Correct Answer Incorrect Answer
    C 4.2 km/hr Correct Answer Incorrect Answer
    D 5.6 km/hr Correct Answer Incorrect Answer

    Solution

    Average Speed = 2xy/(x + y) = (2 x 4 x 6)/(4 + 6)
    = 48/10 = 4.8 km/hr

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