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Q: A train X running at 74 km/h crosses another train Y running at 52 km/h in the opposite direction in 12 seconds. If the length of Y is two-thirds that of X, then what is the length of X (in m) ?
  • A. 168
  • B. 210
  • C. 200
  • D. 252
Correct Answer: Option D -
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Explanations:

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