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Q: Two trains of length 130m and 120m are running on parallel lines in the same directions at a speeds of 40 km/h and 50 km/h, respectively. In how much time will they pass each other?
  • A. 62 seconds
  • B. 63 seconds
  • C. 85 seconds
  • D. 90 seconds
Correct Answer: Option D -
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Explanations:

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