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    Two trains start at the same time. Train A travelling at an average speed of 54 km/h goes from city M to city N, while Train B goes from city N to cit
    Question

    Two trains start at the same time. Train A travelling at an average speed of 54 km/h goes from city M to city N, while Train B goes from city N to city M. The distance between the two cities is 960 km. Find the average speed (in
    km/hr) of train B, if both trains cross other after 8 hours?

    A.

    60

    B.

    72

    C.

    66

    D.

    76

    Correct option is C



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