A certain 90-miles trip took 2 hours. Exactly 1/3 rd of the distance was traveled by rail and this part of the trip took 1/5 th of the travel time. What was the average rate in miles per hour of the rail promotion trip?

গণিত Ratio, Proportion and Partnership 07 Oct, 2020

প্রশ্ন A certain 90-miles trip took 2 hours. Exactly 1/3 rd of the distance was traveled by rail and this part of the trip took 1/5 th of the travel time. What was the average rate in miles per hour of the rail promotion trip?

  • ক.
    45 mph
  • খ.
    60 mph
  • গ.
    75 mph
  • ঘ.
    12 mph

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Ratio, Proportion and Partnership