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#32225 Bangla Language & Literature Boat and Stream Level 0

A man can cross 10 miles distance of a river in favor of the stream in 2 hours. He can come back against the stream along the same way in 5 hours. What is the average speed, in miles per hour, for the entire trip?

  1. A 10/7
  2. B 20/7
  3. C 7/10
  4. D 7/20
Answer: B - 20/7

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