A train travels at a speed of 60 km/h for 0.52 h, at 30 km/h for the next 0.24 h and then at 70 km/h for the next 0.71 h. What is the average speed of the train ?

A car travels 20 km in 1 hour and another 40 km in 3 hour. What is the average speed of the car?

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 moves with a speed of 40 km/h for 15 minutes and then with a speed of 60 km/h for the next 15 minutes. The total distance covered by the car is:

A train travels 360 km at a uniform speed. If the speed had been 5 km/h more, it would have taken 1 hour less for the same journey. Find the speed of the train.

An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Bangalore (without taking into consideration the time they stop at intermediate stations). If the average speed of the express train is 11 km/hr more than that of the passenger train, find the average speed of the two trains.

A car travels 30 km at a uniform speed of 40 km/h and the next 30 km at a uniform speed of 20 km/h . Find its average speed.

On a 100km track, a train travels the first 30 km at a uniform speed of 30 kmh^(-1) . How fast must the train travel the next 70 km so as to averge the next 40km h^(-1) for entire trip.

On a 120km road, a car travels the first 30km with at a uniform speed of 30km/h. How fast must the car travel for the rest of track so as to have an average speed of 60km/h for the entire journey?