A thief escapes from a police station at 8:00 a.m. on a cycle at a speed of 50 km/h. A policeman starts chasing the thief on a motorbike at 9:30 a.m. at the speed of 65 km/h. At what distance from the police station will the policeman catch up with the thief?

A man walking at a speed of 5 km / h crosses a bridge in 15 minutes, find the length of the bridge.

How long will Ramesh take to run round a square park of edge 50 metres, if he runs at the rate of 18 km/hr?

Ramu sees a train passing over a 1 km long bridge. The length of the train is half that of the bridge. If the train clears the bridge in 2 min, the speed of the train is – 

A long-distance runner runs laps of a 400 mt. track every day. His timings (in min.) for four consecutive days are 88, 96, 89 and 87 respectively, on average. How many meters/minute does the runner cover? 

If Sonu is driving a car with a speed of 20 m/s, then in what time will Sonu cover a distance of 936 km?

A train of length 212 meter is running at 45 km/h. In what time (in seconds) will it cross a platform of length 188 meter?

Reshma covers 45 km at a speed of 15 km/h by bicycle, 80 km at a speed of 40 km/h by car, and another 6 km at a speed of 2 km/h on foot. Find her average speed for the whole journey (correct to 2 decimal places).