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  1. A man completes 30km of a journey at 6km/hr and the remaining 40km of the journey in 5 hours. His average speed for the whole journey is
    2. A.
    6 4/11 km/hr
    B.
    7km/hr
    C.
    7 ½ km/hr
    D.
    8 km/hr

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    Total distance = (30 + 40)km = 70km 


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