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Q: A train is running in a fog crosses a person, who was walking in the same direction at a speed of 3 km/h. That person could the car up to distance of 100 m for 4 minutes. What was the speed of the car?
  • A. 9/2 Km./hr.
  • B. 7/2 Km./hr.
  • C. 5 Km./hr.
  • D. 5/2 Km./hr.
Correct Answer: Option A -
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Explanations:

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