physics
motion
Easy

Question

A car travels from A to B at a speed of 20km/hr and returns at a speed of 30km/hr . The average speed of the car for the  whole journey is

  1. 25 km/hr
  2. 24 km/hr
  3. 50 km/hr
  4. 5 km/hr

The correct answer is: 24 km/hr

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