A train travels at a certain average speed for a distance of 54 km and then travels a distance of 63 km at an average speed of 6 km/h more than the first speed. If it takes 3 hours to complete the total journey, what is its first speed?

A train travels at a certain average speed for a distance of 54km and then travels a distance of 63km at an average speed of 6km/h more than the first speed.If it takes 3 hours to complete the total journey,what is its first speed?

A bus travels at a certain average speed for a distance of 75 km and then travels a distance of 90 km at an average speed of 10 km//hr more than the first speed. If it takes 3 hours to complete the total journey, find its original speed.

A train travels at a certain average speed for a distance of 63km and then travels a distance of 72km at an average speed of 6km/hr more than its original speed.If it takes 3 hours to complete the total journey,what is its original average speed?

A train travels first 300 km at an average rate of 30 km per hour and further travels the same distance at an average rate of 60 km per hour, then the average speed over the whole distance is

Out of 555 km, Vishal travelled certain distance by bus and the remaining distance by car. Bus travels with an average speed of 60 (km)/h and the average speed of car is 75 (km)/h . He takes total 8 hours to complete the journey . Find the distance the Vishal travelled by bus.

A truck covers a distance of 150km at a certain average speed and then covers another 200km at average speed which is 20km per hour more than the first speed.If the truck covers the total distance in 5hours,find the first speed of the truck.

A motorist travels to a place 150 km away at an average speed of 50 km/hour and returns at 30 km/hour. What is the average speed for the whole journey ?