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Q: A carriage driving in a fog passed a man who was walking at the speed of 3 km/h in the same direction. He could see the carriage for 4 min and it was visible to him up to a distance of 100 m. What was the speed of the carriage?
  • A. 5 km/h
  • B. 4.5 km/h
  • C. 6 km/h
  • D. 5.5 km/h
Correct Answer: Option B -
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Explanations:

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