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Q: Two trains each having a length of 160 meters moving in opposite direction crossed each other in 9 seconds. If one train crossed a 200- metre-long platform in 18 seconds, then the ratio of their speeds is:
  • A. 2 : 3
  • B. 9 : 7
  • C. 5 : 8
  • D. 3 : 4
Correct Answer: Option B -
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Explanations:

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