SSC Sample Paper SSC CGL - Sample Paper-13

  • question_answer
    The length of a train and that of a platform are equal. If with a speed of 90 km/h the train crosses the platform in one minute, then the train (in metres) is

    A) 500                              

    B) 600

    C) 750                  

    D) 900

    Correct Answer: C

    Solution :

    Let the lenght of train be x m Speed = 90 km/h \[=\frac{90\times 5}{18}\text{m/s}\] \[=25\,\text{m/s}\] \[\therefore \] Distance covered in \[60\,s=25\times 60=1500\,m\] Now, according to question,.             \[2x=1500\] \[\therefore \]      \[x=750\,m\]     

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