[" rage speed of the train and "a_(ab_(b))" and a north at "500" mph passes or "],[" if hr.What is the average on a flune a not a plane flying east at the same "],[" rain together? "]

The ratio of the speeds of a car, train and a bus is 5:9:4. The average speed of the car, the bus and the train is 72 km/hr. what is the average speed of the car and the train together? 78 k m//h r b. 82 k m//h r c. 84 k m//h r d. cannot be determined e. none of these

A plane flying north at 500 mph passes over a city at 12 noon. a plane flying east at the sae altitude passes over the same city at 12:30 P.M. The plane is flying east at 400 mph. To the nearest hundred miles, how far apart the two planes at 2 P.M.? 600 m i l e s b. 1000 m i l e s c. 1100 m i l e s d. 1200 m i l e s e. 1300 m i l e s

A flight of Jet Airways from Delhi to Mumbai has an average speed of 700 km/hr without any stoppage, whereas a flight of kingfisher from Delhi to Mumbai has an average speed of 560 km/hr with stoppage at Baroda. What is the average stoppage time per hour of Kingfisher flight if both the planes fly at the same speed? 8 m in b. 16 m in c. 12 m in d. 24 m in

A freight train and a passenger train start toward each other at the same time from two towns that are 500 miles apart. After 3 hours, the trains are still 80 miles apart. If the average rate of speed of the passenger train in 20 miles per hour faster than the average rate of speed of the freight train, what is the average rate of speed, in miles per hour, of the freight train?

A car covers a certain distance in 5 hours at the speed of 73 kms/hr. What is the average speed of bus which travels a distance of 50 kms less than the car in the same time ? Options are (a) 61 km/hr (b) 58 km/hr (c) 65 km/hr (d) 63 km/hr.

Two trains A and B are moving with same speed of 100km//hr .Train A moves towards east and train B moves towards west.An an instant when the trains are moving side by side, an aeroplane files above the trains horizontally.For the passengers in the train A , the plane appears to fly from North to South direction.For the passengers in the train B , the plane appears to fly in a direction making an angle 60^(@) to North-South direction.

Two trains A & B are travelling in the same direction at a certain speed. Length of the train A is 300 metres and the speed of the train B is 30km/hr. The train A passes a man who is walking at a speed of 4km/hr along the line in the same direction as 'A' in 30 seconds. If the train A passes the train B completely in 5.4 minutes find the length of the train B in metres?

Two trains A & B are travelling in the same direction at a certain speed. Length of the train A is 300 metres and the speed of the train B is 30km/hr. The train A passes a man who is walking at a speed of 4km/hr along the line in the same direction as 'A' in 30 seconds. If the train A reached the station in 15 minutes after it had passed the man. In what time the man reached the station?