A person travels equal distance with speeds of 3 km/hr, 4 km/hr and 5 km/hr and taken a total time of 47 minutes. The to…

Ramesh travels 760 km to his home, partly by train and partly by car. He takes 8 hours, if he travels 160 km by train an…

Two cars start simultaneously from cities A and B, towards B and A respectively, on the same route. Once the two cars re…

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 plane flying north at 500 mph passes over a city at 12 noon. A plane flying east at the same altitude passes over the …

A boy is running at a speed of p kmph to cover a distance of 1 km. But, due to the slippery ground, his speed is reduced…

A person travels 285 km in 6 hours in two stages. In the first part of the journey, he travels by bus at the speed of 40…

A is faster than B. A and B each walk 24 km. The sum of their speeds is 7 km/hr and the sum of times taken by them is 14…