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Q: A man divided his journey into three parts of distances of 18 km., 20 km and 27 km. He travelled the distances at the speeds of 6 km/h, 5 km/h and 9 km/h respectively. What was his average speed during the entire journey?
  • A. 5.5 km/h
  • B. 6.5 km/h
  • C. 7.5 km/h
  • D. 4.5 km/h
Correct Answer: Option B -
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Explanations:

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