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Railways Sample Paper RRB (Group D) Sample Test Paper-9

  • question_answer
    A train 180 mt long is running at a speed of 90 km/hr. How long will it take to pass a post?

    A)  8.2 sees           

    B)  7.8 sees

    C)  8 sees  

    D)  7.2 sees

    Correct Answer: D

    Solution :

    [d] Speed \[=90\times \frac{5}{18}=25\] m/sec Time=\[\frac{d}{v}=\frac{180}{25}-7.2\]sec.


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