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Q: A train covers 400 km at a uniform speed. If the speed had been 10 km/h more, it would have taken 2 h less for the same journey. find the speed of the train
  • A. 45 km/h
  • B. 40 km/h
  • C. 55 km/h
  • D. 50 km/h
Correct Answer: Option B -
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Explanations:

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