A 275 m long train crosses a platform of equal length in 33 s. What is the speed of the train in km/h? 

A train after travelling 150 Km. meets with an accident and then proceeds with 3/5 of its former speed and arrives at its destination 8 hours late. Had the accident occurred 360 Km. farther, it would have reached the destination 4 hours late. What is the total distance travelled by the train?

A bus can cover a distance of 420 km in 7 hours. How much will the speed have to be increased to cover this distance in 6 hours?

Ram starts from point A at 8 a.m. and reaches point B at 2 p.m. on the same day. On the same day, Raju starts from point B at 8 a.m. and reaches point A at 6 p.m. on the same day. Both points A and B are separated by only a straight line track. At what time they both meet?

Vimal travels a certain distance at a speed of 80 km/hr. If Sohel travels one third of that distance at a speed of 60 km/hr then at what speed he should travel the remaining distance if total time taken by both Vimal and Sohel was same for the given journey?

A takes twice as much time as B and thrice as much as c to complete a piece of work. They together complete the work in 1 day. in what time, will A alone complete the work. 

A man walks a certain distance and rides back taking a total time of 37 minutes. He could walk both ways in 55 minutes. How long would he take to ride both ways?

A person travels 600 km by train at 80 km/hr 800 km by ship at 400 km/ hr and 100 km by car at 50 km/hr. What is the average speed for the entire distance?