Motion Test - 1...

Two trains with lengths 180 m and 220 m respectively, are running in opposite directions with speeds of 40 km/hr and 50 km/hr respectively. The time taken by them in crossing each other will be

The wheel of an engine, with a circumference of 25 decimetres, makes 10 revolutions in 4 seconds. The speed of the wheel (in km/hr) is

Two trains running in the same direction at 40 km/hr and 22 km/hr completely pass one another in one minute. If the length of the first train is 125 m, the length of the second train is

If a body takes as much time to cover 10 m as a car takes to cover 25 m, the distance the body will cover during the time the car covers 1 km is

A train travels the first 15 km at a uniform speed of 30 km/hr, the next 75 km at a uniform speed of 50 km/hr and the last 10 km at a uniform speed of 20 km/hr. Calculate the average speed for the entire journey.

Gaurav travelled 1200 km by air which formed 2/5th of his trip. He travelled one-third of the remaining distance by car and the rest by train. The distance travelled by him in train was

A train overtakes two persons who are walking at the rate of 2 km/hr and 4 km/hr in the same direction in which the train is going, and passes them completely in 9 and 10 seconds respectively. The length of the train (in meters) is

The distance between two points A and B is 110 km. A motorcyclist starts from A towards B at 7 a.m. at a speed of 20 km/hr. Another motorcyclist starts from B towards A at 8 a.m. at a speed of 25 km/hr. When will they cross each other?

Two trains starting at the same time from two stations, 200 km apart; and going in opposite directions cross each other at a distance of 110 km from one of stations. The ratio of their speeds may be