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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-1

  • question_answer
    A train running at the speed of 84 km/hr passes a man walking in opposite direction at the speed of 6 km/hr in 4 seconds. What is the length of train (in metre)?

    A)  150                             

    B)  120

    C)  100                   

    D)         90

    Correct Answer: C

    Solution :

     Relative speed\[=(84+6)\]             \[=90\]kmph             \[=\left( 90\times \frac{5}{18} \right)\text{m/sec}\]             \[=25\,\,\text{m/sec}\] \[\therefore \]Length of train             \[=\operatorname{Relative}\,\,speed\,\,\times \,\,\text{Time}\]             \[=25\times 4=100\]metre


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