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 speed 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. `56.25\ 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 train travels at a speed of 30 km/hr for 12 minutes and at a speed of 4 km/hr for the next 8 minutes. The average speed of the train for this journey is 30 k m//h r b. 36 k m//h r c. 37. k m//h r d. 48 k m//h r

A man travels a certain distance at 12 km/h and returns to the starting point at 9 km/h. The total time taken by him for the entire journey is 2(1)/(3) hours . The total distance ( in km ) covered by him is :

A car travels the first one third of a certain distant with a speed of 10 km/hr, the next one third distant with a speed of 20 km/hr and the last one third distance with a speed of 60 km/hr. The average speed of the car for the whole journey is 18 k m//h r b. 24 k m//h r c. 30 k m//h r d. 36 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

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

During a journey of 80 km a train covers first 60km with a speed of 40 km/h and completes the remaining distance with a speed of 20 km/h. What is the average speed of the train during the whole journey?