A train travels between two stations A and B . While going from A to B, its average speed is 80 km/hr, and when coming back from B to A . Its average speed is 120km/hr. find the average speed of the train during the whole journey.

Distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back B to A with a uniform speed of 56 km per hour. Find the average speed of the train during the whole journey.

Distance between two stations A and B is 778 km.A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour.Find the average speed of the train during the whole journey.

A train travels between two stations ambala and Amritsar. While goind from Ambala to Amritsar, it takes 3 hours and its average speed is 100km/hr. when coming back from Amritsar of Ambala, it takes 2 hours and it average speed is 150 km/hr. obtain the average speed during the whole journey?

A' goes 10 km.distance with average speed of 6km/hr while rest 20 km he travels with an average speed of 15km/hr.What is the average speed of 'A' during the whole journey?

A train goes from P to Q with an average speed of u km/h and returns from Q to P with an average speed of v km/h. What is its average speed for the entire journey in km/h?

A' goes 10 km distance with average speed of 6 km/h while rest 20 km he travels with an average speed of 15 km/h. What is the average speed of 'A' during the whole journey?

A car travels from City A to City B at a speed of 40km/hr and from B to A at a speed of 60km/hr. What is the average speed of the car?