AAA Express train travels 670 km in 6 hours and WWW Express train travels 950 km in 9 hours. What is the average speed of AAA and WWW Express trains ?

A Police officer sees a chain snatcher and runs to catch her from a distance of 50 metres. When the Police officer starts chasing the chain snatcher from a distance of 50 metres, the chain snatcher is running @ 2 metres per second. At the same time the Police Officer is chasing the chain snatcher @ 4 metres per second.

Find the distance covered by the chain snatcher when the Police Officer shall be able to successfully catch her?

Arun driven a car and covers a certain distance in 6 hours at a speed of 50 kmph. By what percent should the speed of the Arun car be increased to cover the same distance in 4 hours ?

How many minutes does Siddharth take to cover a distance of 500 m, If he runs at a speed of 15 km/hr?

A train travels 92.5 km/hr. How many meters will it travel in 18 minutes?

A boy is running at a speed of p km/hr to cover a distance of 1 km. But, due to the slippery ground, his speed is reduced by q km/hr (p>q). If he takes r hours to cover the distance, then

Two dogs are standing 960 m apart from each other. The first dog runs at a speed of 9 m/s and the second runs at a speed of 7 m/s. If two dogs run towards each other, after how much time will they bump into each other?