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Railways R.R.C. (Gorakhpur) Solved Paper Held on 2nd Shift 30-11-2014

  • question_answer
    Two trains A and B are travelling in the same direction on adjacent tracks at the speeds of 15m/s and 12 m/s. If the length of train A is 1200 m and that of train B is 900 m how long will it take for train A to completely cross the train B?

    A) 11min. 40sec.

    B) 10 sec.

    C) 1 min. 17 sec.   

    D) 10 min. 17 sec.

    Correct Answer: A

    Solution :

    Required time \[=\frac{1200+900}{(15-12)}\]                              \[=\frac{2100}{3}\]                               \[=700\sec \]                               \[=11\,\,min.40sec.\]


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