Time and Distance - Questions and Answers

6. A boy goes to school with a speed of 3 km/hr and returns to the village with a speed of 2km/hr. if he takes 5 hours in all, the distance between the village and the school is:

7. A and B are tow stations. A trains goes from A to B at 64 km/hr and returns to A at a slower speed. If its average speed for the whole journey is 56 km/hr. at what speed did it return:

8. A speed of 55 m/sec, is the same as:

9. Two men start together to walk to a certain destination, one at 3.75 km an hour and another at 3 km an hour. The former arrives half an hour before the latter. The distance is:

10. A train covers a distance in 50 minutes, if it runs at a speed of 48 km per hour on a average. The speed at which the train must run to reduce the time of journey to 40 minutes, will be: