A speed of 14 metres per second is the same is `28\ k m//h r` b. `50. 4\ k m//h r` c. `46. 6\ k m//h r` d. `70\ k m//h r`

A train 108 m long moving at a speed of 50 km/hr crosses a train 112 m long coming from opposite direction in 6 seconds. The speed of the second train in 48 k m//h r b. 54 k m//h r c. 66 k m//h r d. 82 k m//h r

The speed of a boat in still water is 10 km /hr. If it can travel 26 km downstream and 14 km upstream in the same time, the speed of the stream is : 2 k m//h r b. 3 k m//h r c. 4 k m//h r d. 2. k m//h r

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

The average speed of a tram is 20% less on the return journey than on the onward journey. The train halts for half an hour at the destination station before starting on the return journey. If the total time taken for the to and fro journey is 23 hours, covering a distance of 1000 km, the speed of the train on the return journey is 40 k m//h r b. 50 k m//h r c. 55 k m//h r d. 60 k m//h r

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 boat covers 24 km upstream and 36 km downstream in 6 hours while it covers 36 km upstream and 24 km downstream in 6 1/2 hours. The velocity of the current is 1\ k m//h r b. 1. 5\ k m//h r c. 2\ k m//h r d. 2. 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

A boy rides his bicycle 10 km at an average speed c: 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximately 10. 4 k m//h r b. 10. 8 k m//h r c. 1 k m//h r d. 12. 2 k m//h r

A man rows to a place 48 km distant and back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is : 1 k m//h r b. 1. 8 k m//h r c. 1. 5 k m//h r d. 3. 5 k m//h r

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