If a runner takes as much time in running 20 metres as the car takes in covering 50 metres. The distance covered by the runner during the time the car covers 1 km is `\ 400\ m e t r e s` b. `40\ m e t r e s` c. `440\ m e t r e s` d. none of these

A train running at the speed of 60 kmph crosses a 200 m long platform in 27 seconds. What is the length of the train ? 200 m e t r e s b. 240 m e t r e s c. 250 m e t r e s d. 450 m e t r e s e. none of these

A vehicle travels at the rate of 80 kmph. What distance will it travel in 15 minutes? 20000 m e t r e b. 25000 m e t r e c. 24000 m e t r e d. 22000 m e t r e

If d denotes the distance covered by a car in time t and vecs denotes the displacement by the car during the same time, then :

A runs twice as fast as B and B runs thrice as fast as C. The distance covered by C in 72 minutes, will be covered by A in 12 m inu t e s b. 16 m inu t e s c. 18 m inu t e s d. 24 m inu t e s

Train A crosses a stationary train B in 50 second and a pole in 20 seconds with the same speed. The length of the train A is 240 metres. What is the length of the stationary train B. 260 m e t r e s b. 300 m e t r e s c. 360 m e t r e s d. Cannot be determined e. none of these

A 50 metre long train passes over a bridge at the speed of 30 km per hour. If it takes 36 seconds to cross the bridge, what is the length of the bridge? 200 m e t r e s b. 250 m e t r e s c. 300 m e t r e s d. 350 m e t r e s

Deepa rides her bike at an average speed of 30 km/hr and reaches her destination in6 hours. Hema covers the same distance in 4 hours. If Deepa increases her average speed by 10 km/hr and Hema increases her average speed by 5 km/hr what would be the difference in their time taken to reach the destination? 40 m inu t e s b. 45 m inu t e s c. 4 m inu t e s d. 1 hou r e. none of these

An aeroplane flies twice as fast as a train which covers 60 miles in 80 minutes. What distance will the aeroplane cover in 20 minutes? 30 m i l e s b. 35 m i l e s c. 40 m i l e s d. 50 m i l e s

A sped of 30.6 km/hr is the same as 5. 1 m//s e c b. 8. 5 m//s e c c. 110. 16 m//s e c d. none of these