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A marathon is 42.195 kilometers long. If a runner completes it in 3 hours, what

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Question: A marathon is 42.195 kilometers long. If a runner completes it in 3 hours, what is their average speed in km/h? (2021)

Options:

  1. 14.06
  2. 13.5
  3. 15
  4. 12

Correct Answer: 14.06

Exam Year: 2021

Solution: 

Average speed = total distance / total time = 42.195 km / 3 h = 14.06 km/h.

A marathon is 42.195 kilometers long. If a runner completes it in 3 hours, what

Practice Questions

Q1
A marathon is 42.195 kilometers long. If a runner completes it in 3 hours, what is their average speed in km/h? (2021)
  1. 14.06
  2. 13.5
  3. 15
  4. 12

Questions & Step-by-Step Solutions

A marathon is 42.195 kilometers long. If a runner completes it in 3 hours, what is their average speed in km/h? (2021)
  • Step 1: Identify the total distance of the marathon, which is 42.195 kilometers.
  • Step 2: Identify the total time taken to complete the marathon, which is 3 hours.
  • Step 3: Use the formula for average speed, which is average speed = total distance / total time.
  • Step 4: Plug in the values: average speed = 42.195 km / 3 h.
  • Step 5: Calculate the average speed: 42.195 divided by 3 equals 14.06 km/h.
  • Average Speed Calculation – The average speed is calculated by dividing the total distance traveled by the total time taken.
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