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If a runner completes a 10 km race in 40 minutes, what is his average speed in km/h? (2021)

Practice Questions

1 question
Q1
If a runner completes a 10 km race in 40 minutes, what is his average speed in km/h? (2021)
  1. 12 km/h
  2. 13 km/h
  3. 14 km/h
  4. 15 km/h

Questions & Step-by-step Solutions

1 item
Q
Q: If a runner completes a 10 km race in 40 minutes, what is his average speed in km/h? (2021)
Solution: Time = 40 minutes = 40/60 hours = 2/3 hours. Speed = Distance / Time = 10 km / (2/3) hours = 10 * (3/2) = 15 km/h.
Steps: 0

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