A is twice fast as B and B is thrice fast as C is. The journey covered by C in $$\frac{3}{2}$$ hours will be covered by …

Two boats, travelling at 5 km/h and 10 km/h, head directly towards each other. They begin at a distance of 20 km from ea…

A motor car does a journey in 17.5 hours, covering the first half at 30 km/h and the second half at 40 km/h. Find the di…

Ravi and Ajay start simultaneously from a place A towards B, 60 km apart. Ravi's speed is 4 km/hr less than that of Ajay…

Two persons A and B start simultaneously from P and Q respectively. A meets B at a distance of 60m from P. After A reach…

Which of the following trains is the fastest ?

The diameter of each wheel of car is 70 cm. If each wheel rotates 400 times per minutes, then the speed of the car (in k…

A man walking at the rate of 5 km/hr crosses a bridge in 15 min. The length of the bridge (in metres) is :