A passenger train 150 m long is travelling with a speed of 36 km/hr. If a man is cycling in the direction of train at 9 …

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 6 cm long cigarette burns up in 15 minutes if no puff is taken.For every puff, it burns three times as fast during th…

A train started from station A and proceeded towards station B at a speed of 48 km/hr. Forty-five minutes later another …

The ratio between the speed of a bus and train is 15 : 27 respectively. Also, a car covered a distance of 720 km in 9 ho…

The length of a train and that of a platform are equal. If with a speed of 90 km/hr the train crosses the platform in on…

A boy rides his bicycle 10 km at an average speed of 12 km/hr and travells 12 km at an average speed of 10 km/hr. His av…

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