Railways Quantitative Aptitude Trains Sample Paper Trains Sample Test Paper-13

  • question_answer
    A man sitting in a train travelling at the rate of 50 km/hr observes that it takes 9 seconds for a goods train travelling in the opposite direction to pass him. If the goods train is 187.5 m long, then its speed is

    A)  48 km/hr

    B)  28 km/hr

    C)  38 km/hr          

    D)  25 km/hr

    Correct Answer: D

    Solution :

    [d] Let speed of good train = x km/h \[=459=36\,km/hr.\] \[t=\frac{187.5}{\left( 50+x \right)\times \frac{5}{18}}\] \[450+9x=187.5\times \frac{18}{5}\] 450 + 9x = 675 x = 25 \[\therefore \] Speed of good train = 25 km/h

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