1. | A and B start at the same time with speed of 40 km/hr and 50 km/hr respectively. If in covering the journey A takes 15 minutes longer than B, the total distance of the journey is ? | |
2. | A walks at a uniform rate of 4 km an hour; and 4 hours after his start, B bicycles after him at the uniform rate of 10 km an hour. How far from the starting point will B catch A ? | |
3. | A man travelled a distance of 61 km in 9 hours, partly on foot at the rate of 4 km/hr and partly on bicycle at the rate of 9 km/hr. The distance travelled on foot was ? | |
4. | Sound travels 330 metre in a second. When the sound follows the flash of lightning after 10 seconds the thunder cloud will be at a distance of ? | |
5. | Ravi has a roadmap with a scale of 1.5 cm for 18 km. He drives on that road for 72 km. What would be his distance covered in that map ? | |
6. | . A train leaves station A at 5 AM and reaches station B at 9 AM on the same day. Another train leaves station B at 7 AM and reaches station A at 10:30 AM on the same day. The time at which the two trains cross each other is ? | |
7. | Ram travelled 1200 km by air which formed 2 5 of his trip. He travelled one-third of the trip by car and the rest by train. The distance (in km) travelled by train was ? | |
8. | A man completed a certain journey by a car. If he covered 30% of the distance at the speed of 20km/hr, 60% of the distance at 40km/hr and the remaining distance at 10km/hr; his average speed for the whole journey was ? | |
9. | A and B started at the same time from the same place for a certain destination. B walking at 5/6 of A’s speed reached the destination 1 hour 15 minutes after A. B reached the destination in ? | |
10. | A cyclist, after cycling a distance of 70 km on the second day, finds that the ratio of distance covered by him on the first two days is 4 : 5. If he travels a distance of 42 km. on the third day, then the ratio of distance travelled on the third day and the first day is ? | |