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Q: The speed of two railway engines is in the ratio 5:4. If they move on parallel tracks in the same direction and if the slower engine is ahead of the faster engine by 8km when the latters starts then how for will the faster engine have to travel before at over takes the slower one?
  • A. 48
  • B. 36
  • C. 32
  • D. 40
Correct Answer: Option D -
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Explanations:

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