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SSC Sample Paper Mock Test-6 SSC CGL Tear-II Paper-1

  • question_answer
    A man in a train notices that he can count 21 telephone posts in one minute. If they are known to be 50 m apart, at what speed is the train travelling?

    A)  55 km/h

    B)                     57 km/h

    C)  60 km/h

    D)  63 km/h

    Correct Answer: C

    Solution :

    Speed of train\[=\frac{20\times 50}{60}\times \frac{18}{5}=60\,\text{km/h}\]                   


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