A man at a speed of 6 km/hr for 1 km and 8 km/hr for the next 1 km. What is t his average speed for the walk of 2 km?

A man walks at a speed of 6 km/hr for 1 km and 8 km/h for the next 1km. What is his average speed of the walk of 2 km?

A man walks at a speed of 6 km h^-1 for 1 km and 8 km h^-1 for the next 1 km.What is the average speed for the walk fo 2 km?

A car travels at a speed of 50 km//hr for 15 minute and then 70 km//hr for next 45 minutes. What is the average speed of the car?

A car covers a distance of 80 km at a speed of 60 km/hr and another 140 km at a speed of 70 km/hr. What is the average speed of the journey ?

A car travels at a speed of 50 km/hr for 30 minutes, at 30 km/hr for next 15 minutes and then 70 km/hr for next 45 minutes. What is the average speed of the car?

A cyclist travels at 10 km/hr for 2 hrs and them at 13 km/hr for the next 1 hr . Find his average speed ?