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Q:

A person travels 600 km by train at 80 km/hr 800 km by ship at 400 km/ hr and 100 km by car at 50 km/hr. What is the average speed for the entire distance? 

  • 1
    $$ 65{5\over 123} km.hr$$
  • 2
    $$ 130{10\over 23} km.hr$$
  • 3
    $$ 60{5\over 123} km.hr$$
  • 4
    62 km.hr
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Answer : 2. "$$ 130{10\over 23} km.hr$$"

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