The distance between two places R and S is 42 km. Anita starts from R with a uniform speed of 4 km/hr towards S and at t…

Two trains, one 160 m and the other 140 m long are running in opposite directions on parallel tracks, the first at 77 km…

A man starts climbing a 11 m high wall at 5 pm. In each minute he climbs up 1 m but slips down 50 cm. At what time will …

If a runner takes as much time in running 20 metres as the car takes in covering 50 metres. The distance covered by the …

Jane travelled $$\frac{4}{7}$$ as many miles on foot as by water and $$\frac{2}{5}$$ as many miles on horseback as by wa…

The speed of a motor-boat is that of the current of water as 36:5. The boat goes along with the current in 5 hours 10 mi…

A car goes 20 metres in a second. Find its speed in km/hr ?

Two buses start from a bus terminal with a speed of 20 km/h at interval of 10 minutes. What is the speed of a man coming…