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Q: A train overtakes two boys who are walking in the same direction as the train, at the rate of 5km/hr and 7 km/hr and passes them completely in 6 seconds and 9 seconds respectively. Find the length of the train.
  • A. 10 m
  • B. 5 m
  • C. 30 m
  • D. 20 m
Correct Answer: Option A -
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Explanations:

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