In a race of 200 metres, B can give a start of 10 metres to A and C can give a start of 20 metres to B. The start that C…

A student goes to school at the rate of $$2\frac{1}{2}$$ km/hr and reaches 6 min late. If he travels at the speed of 3 k…

A girl while walking diametrically across a semicircular playground, takes 3 minutes less than if she had kept walking r…

A man can cross a downstream river by steamer in 40 minutes and same by boat in 1 hour. If the time of crossing Upstream…

A car covers the first 39 kms of its journey in 45 minutes and covers the remaining 25 km in 35 minutes. What is the ave…

Two trains started at the same time, one from A to B and other from B to A. if they arrived at B and A respectively in 4…

A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km//hr. …

A thief, pursued by a policeman, was 100 m ahead at the start. If the ratio of the speed of the policeman to that of the…