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SSC Sample Paper Mock Test-14 SSC CGL Tear-II Paper-1

  • question_answer
    How many seconds will a 500 m long train take to cross a man walking with a speed of 3 km/h in the direction of the moving train if the speed of the train is 63 km/h?

    A) 25

    B)  30

    C)  40

    D)  45

    Correct Answer: B

    Solution :

    Relative speed of train \[=63-3=60\]km/h\[=60\times \frac{5}{18}\]m/s \[\therefore \] \[\text{Time}=\frac{\text{Length}\,\,\text{of}\,\,\text{train}}{\text{Relative}\,\,\text{speed}}=\frac{500\times 18}{60\times 5}=30\,\,\text{s}\]


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