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SSC Quantitative Aptitude Speed, Time and Distance Question Bank Speed Time and Distance (I)

  • question_answer
    Two trains are running 40 km/h and 20 km/h respectively, in the same direction. The fast train completely passes a man sitting in the slow train in 5 s. The length of the fast train is

    A) \[23\frac{2}{9}m\]

    B) \[27\,m\]

    C) \[27\frac{7}{9}m\]

    D) \[23\,m\]

    Correct Answer: C

    Solution :

    [c] The length of the fast train \[=\text{Relative}\,\text{speed}\times \text{Time}\] \[=(40-20)\times \frac{5}{18}\times 5\,m=27\frac{7}{9}m\]


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