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    A 180 m long train crosses another 270 m long train running in the opposite direction in 10.8 seconds. If the shorter train crosses a pole in 12 secon
    Question



    A 180 m long train crosses another 270 m long train running in the opposite direction in 10.8 seconds. If the shorter train crosses a pole in 12 seconds, then what is the speed of longer train?

    A.

    98 km/hr 

    B.

    96 km/hr 

    C.

    90 km/hr 

    D.

    88 km/hr 

    E.

    None of these 

    Correct option is B

    Total length =270+180=450 m
    Relative speed of trains =

    Speed of shorter train


    Speed of longer train =150-54=96 km/hr

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