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SSC Sample Paper Mock Test-10 SSC CGL Tear-II Paper-1

  • 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 length of the train (in metres) is

    A)  500     

    B)  600

    C)  750

    D)  900

    Correct Answer: C

    Solution :

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


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