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A car travels 100 km in 2 hours and then 50 km in 1 hour. What is the average sp

Practice Questions

Q1
A car travels 100 km in 2 hours and then 50 km in 1 hour. What is the average speed of the car for the entire journey? (2021)
  1. 50 km/h
  2. 60 km/h
  3. 70 km/h
  4. 75 km/h

Questions & Step-by-Step Solutions

A car travels 100 km in 2 hours and then 50 km in 1 hour. What is the average speed of the car for the entire journey? (2021)
Correct Answer: 50 km/h
  • Step 1: Calculate the total distance traveled by the car. Add the two distances together: 100 km + 50 km.
  • Step 2: Calculate the total time taken for the journey. Add the two times together: 2 hours + 1 hour.
  • Step 3: Use the formula for average speed, which is total distance divided by total time. Plug in the values from Step 1 and Step 2.
  • Step 4: Perform the division to find the average speed.
  • Average Speed – Average speed is calculated by dividing the total distance traveled by the total time taken.
  • Distance and Time Calculation – Understanding how to sum distances and times correctly is crucial for solving average speed problems.
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