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Q: Raima covered some distance with a speed of 7 km/h on foot and some distance at a speed of 12 km/h on a bicycle. He had covered a distance of 64 km in 7 hours. How many hours did he travel on a bicycle?
  • A. 2
  • B. 3
  • C. 5
  • D. 4
Correct Answer: Option B -
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Explanations:

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