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    A man walks from P to Q at the rate of 5 km/h and returns from Q to P at 3 km/h. What is his average speed for the whole journey?
    Question

    A man walks from P to Q at the rate of 5 km/h and returns from Q to P at 3 km/h. What is his average speed for the whole journey?

    A.

    3.25 km/h

    B.

    3.75 km/h

    C.

    3.5 km/h

    D.

    8 km/h

    Correct option is B


    Given:
    The speed of man P to Q = 5 km/h
    Speed of man Q to P = 3 km/h
    Formula used:
    Average speed of the man =
    Solution:
    Average speed=

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