Time And Speed Mock Tests

A person travels at 3/4 of his usual speed and reaches 10 minutes late. What is his usual time?

A car travels the first 150 km at 50 km/hr and the next 150 km at 75 km/hr. The average speed for the entire journey is:

Two trains of equal length are running on parallel lines in the same direction at 50 km/hr and 40 km/hr respectively. The faster train passes a man sitting in the slower train in 9 seconds. What is the length of each train?

A car covers a distance of 360 km in 6 hours. What is its speed?

A train 250 m long crosses a platform of length 175 m in 21 seconds. The speed of the train is:

A train 250 m long crosses a pole in 10 seconds. How long will it take to cross a platform 250 m long?

A car travels the first half of the distance at 40 km/hr and the second half at 60 km/hr. What is the average speed for the entire journey?

A car travels from X to Y at 60 km/h and returns from Y to X at 90 km/h. What is the average speed for the entire journey?