Which of the following trains is the fastest? `25\ m//s e c` b. `90\ k m//h r` c. `1500\ m//m in` d. none of these

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

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 car covers a distance from Town I to Town II at the speed of 56 km/hr and from Town II to Town I at the speed of 53 km/hr. what is the average speed of the car? 53. 5 k m//h r b. 54 k m//h r c. 55 k m//h r d. 5. 5 k m//h r e. none of these

A cyclist rides 24 km at 16 kmph and further 36 km at 15 kmph. Find his average speed for the journey. 15. 38 k m//h r b. 15. 5 k m//h r c. 16 k m//h r d. none of these

A car covers the first 39 kms of its journey I 45 minutes and covers the remaining 25 km in 3 minutes. What is the average speed of the car? 40 k m//h r b. 48 k m//h r c. 49 k m//h r d. 64 k m//h r e. none of these

A journey of 192 km between two cities takes 2 hours less by a fast train than by a slow train. If the average speed of the slow train is 16 km/hr less than that of the fast train, then the average speed of the fast train is 32 k m//h r b. 48 k m//h r c. 36 k m//h r d. 64 k m//h r

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 man's speed with the current is 15 km / hr and the speed of the current is 2.5 km/ hr. The man's speed against the current is: 8. 5\ k m//h r b. \ 9\ k m//h r c. 10\ k m//h r d. 12. k m//h r

A train 125 m long passes a man, running at 5 kmph in the same direction in which the train is going, in 10 seconds. The speed of the train is: 45 k m//h r b. 50 k m//h r c. 54 k m//h r d. 55 k m//h r

The average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and fro journey is 17 hours covering a distance of 800 km. the seed of the train in the onward journey is 45 k m//h r b. 47. k m//h r c. 52 k m//h r d. 56. 28 k m//h r