Railways R.R.C. (Delhi) Solved Paper Held on 1st Shift 23-11-2014

  • question_answer A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is?

    A) 35.55 km/hr                  

    B) 36 km/hr

    C) 71.11 km/hr                  

    D) 71 km/hr

    Correct Answer: C

    Solution :

    Total time taken \[=2.5+2\] \[=4.5\,\,hours\] Now, the required average speed \[=\frac{320}{4.5}\] \[=71.11\,\,km/hr\]


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