A policeman spotted a thief 200 meter apart. The thief starts running at the speed of 10km/hr. and e policeman chases him at the respectively 11 km/hr. Then find the distance between them after 6 minute -

The ratio of the speeds of the two airplanes is 11: 18. If the first airplane covers a distance of 1650 km in 3 hours, then what is the speed (m / s) of the second airplane?

Ajay covers distance by car driving at 60 kmph and returns back to the starting point riding on a  scooter at 45 kmph. What is his average speed?

The ratio of the speeds of the two airplanes is 7:15. If the first airplane covers a distance of 1050 km in 3 hours, what is the speed of the second airplane?

Vipin swims in a 72 meter long pond. He travels 144 meters in one minute by swimming from one end to the other and coming back the same way, find his average speed.

A man rides his vehicle at the rate of 36 km/hr but stops for 12 minutes, to change parts at the end of every 14^th  km,what will be the timed taken to cover a distance of 90 km?

Excluding stoppages, the speed of a bus is 80 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?

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?