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SSC Sample Paper Mock Test-16 SSC CGL Tear-II Paper-1

  • question_answer
    150 m long train takes 10's to pass a man who is going in the same direction at 2 km/h. What is the speed of the train in km/h?

    A) Can't be determined

    B)  56 km/h

    C)  54 km/h

    D)  None of these

    Correct Answer: B

    Solution :

    If the' speed of the train be x km/h, then \[10=\frac{150}{(x-2)\times \frac{5}{18}}\] or,        \[10\times (x-2)\times \frac{5}{18}=150\] or,        \[x-2=\frac{150\times 18}{10\times 5}=54\] \[\therefore \]      \[x=54+2=56\,\,\text{km/h}\]


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