A car covers first 10 km with 40 km/hr next 10 km with 60 km/hr and next 10 km in 20 km/hr . What is the average speed of the car .

A car completed a journey of 5000 km. First 2000 km at 40 km/hr then next 1500 km at 60 km/hr and rest at 30 km/hr. Calculate the average speed of the journey?

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 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 train covers the first 5km of its journey at a speed of 30km/hr and the next 15km at a speed of 45km/hr .What is the average speed of the train?

A train covers the first 5 km of its journey at a speed of 30 km/hr and the next 15 km at a speed of 45 km/hr. What is the average speed of the train?

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 Find the average speed of the journey

A train covers the first 160km at a speed of 120km/hr ,another 160km at a speed of 140km/hr and last 160km at 80km/hr. Find the average speed of the entire journey.