If a runner completes a 10 km race in 50 minutes, what is his average speed in k

₹0.0

Question: If a runner completes a 10 km race in 50 minutes, what is his average speed in km/h?

Options:

Correct Answer: 12 km/h

Solution:

Average Speed = Distance / Time = 10 km / (50/60) h = 12 km/h.

If a runner completes a 10 km race in 50 minutes, what is his average speed in km/h?

If a runner completes a 10 km race in 50 minutes, what is his average speed in km/h?

Step 1: Identify the total distance of the race, which is 10 km.
Step 2: Identify the total time taken to complete the race, which is 50 minutes.
Step 3: Convert the time from minutes to hours. Since there are 60 minutes in an hour, divide 50 by 60. This gives you 50/60 hours.
Step 4: Calculate the average speed using the formula: Average Speed = Distance / Time.
Step 5: Substitute the values into the formula: Average Speed = 10 km / (50/60) h.
Step 6: Simplify the calculation: 10 km / (50/60) h = 10 km * (60/50) = 10 * 1.2 = 12 km/h.

Average Speed Calculation – The average speed is calculated by dividing the total distance traveled by the total time taken, with time converted to hours if necessary.