Find the distance covered by a man who walked for 15 minutes at a speed of 3 km/h.

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?

The speed of a boat in still water is 12 km/hr. If it can travel 48 km downstream and 24 km upstream in the same time, the speed of the stream is,

A man traveled from the village to the post-office at the rate of 25 km/hr and walked back at the rate of 4 km/hr. If the whole journey took 5 hours 48 minutes, find the distance of the post-office from the village.

A boat covers 150 km downstream and 40 km upstream in 4 hours while it covers 70 km downstream and 24 km upstream in 2 hours. Determine the velocity of the current?

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 man can row at 6 kmph in still water. If the velocity of current is 2 kmph and it takes him 3 hour to row to a place and come back, how far is the place?