What is average speed?

A man travelled 12 km at a speed of 4 km/hr and further 10 km at a speed of 5 km/hr. What was his average speed ?

I went to Delhi at a speed of 200 km/hr but suddenly I returned to the same place at a speed of 600 km/hr. What is my average speed :

What is meant by average speed? How is it calculated?

What is the average speed of the car if covers 200km in 5h ?

What is the average speed of truck A iin metre / second for all the days together ?

An object travels 20 m in 10 s. What is the average speed of the object ?

What is the average speed of the car if it covers 200 km in 5 h?

What is the average speed of the car if it covers 200 km in 5 h?

An object travels 20 m in 10 s. What is the average speed of the object ?