A 320 metre long train moving with an average speed of 120 km/hr crosses a platform in 24 seconds. A man crosses the same platform in 4 minutes. What is the speed of man in metre/second ?
An aeroplane flies with an average speed of 756 km/hr. A helicopter takes 48 hours to cover twice the distance covered by aeroplane in 9 hours. How much distance will the helicopter cover in 18 hours ? (assuming that flights are non-stop and moving with uniform speed)
A car covers the first 39 km. of its journey in 45 minutes and covers the remaining 25 km. in 35 minutes. What is the average speed of the car ?
The average speed of a car is $\frac{4}{5}$ times the average speed of a bus. A tractor covers 575 km in 23 hours. How much distance will the car cover in 4 hours if the speed of the bus is twice the speed of the tractor ?
Train-A crosses a pole in 25 seconds and another Train-B crosses a pole in 1 minute and 15 seconds. Length of train-A is half length of train-B. What is the respective ratio between the speeds of Train-A and Train-B ?
A car covers a distance of 540 km in 9 hours. Speed of a train is double the speed of the car. Two-third of the speed of the train is equal of a bike. How much distance will the bike cover in 5 hours ?
Train-A crosses a stationary train B in 35 seconds and a pole in 14 seconds with the same speed. The length of the train-A is 280 metres. What is the length of the stationary train-B ?
