A person drives for 320 km in 8 hours, cycles for 40 km in 5 hours and then walks for 40 km in 7 hours. Find the average speed of the person.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 20 kmph.
We know that,
Average Speed = Total distance/Total time
Average speed = (320 + 40 + 40)/(8 + 5 + 7) = 400/20 = 20 km/hr