A person travels from P to Q at a speed of 40 kmph and returns by increasing his speed by 50%. What is his average speed…

A car after traveling 18 km from a point A developed some problem in the engine and the speed became $$\frac{4}{5}$$ th …

The speed of two trains are in the ratio 6 : 7. If the second train runs 364 km in 4 hours, then the speed of first trai…

A thief is noticed by a policeman from a distance of 200 metres the thief starts running and the policeman chases him. T…

Two planes move along a circle of circumference 1.2 kms with constant speeds. When they move in different directions, th…

A train running at a speed of 54 km/hr crosses a platform in 30 seconds. The platform is renovated and its length is dou…

A car can finish a certain journey in 10 hours at a speed of 42 kmph. In order to cover the same distance in in 7 hours,…

A man reduces his speed from 20 kmph to 18 kmph. So, he takes 10 minutes more than the normal time. what is the distance…