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SSC Quantitative Aptitude Speed, Time and Distance Question Bank Speed Time and Distance (II)

  • question_answer
    A man completes 30 km of a journey at 6 km/h and the remaining 40 km of the journey in 5 h. His average speed for the whole journey is

    A) \[6\frac{4}{11}km/h\]

    B) \[7\,km/h\]

    C) \[7\frac{1}{2}km/h\]

    D) \[8\,km/h\]

    Correct Answer: B

    Solution :

    [b] Total distance \[=(30+40)\,km=70\,km\] Total time taken \[=\left( \frac{30}{6}+5 \right)\,h\] Average speed             \[=\frac{70}{10}km/h=7km/h\]


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