From point P, at 6:30 pm, a train starts moving towards Q with the speed of 40 km/hr. Another train starts moving from point Q at 7:30 p.m. towards point P at the speed of 60 km/hr. Both of them meet at 11:30 p.m. at point R. What is the ratio of PR and QR?

From point P, at 6:30 pm, a train starts moving towards Q with the speed of 40 km/hr. Another train starts moving from point Q at 7:30 p.m. towards point P at the speed of 60 km/hr. Both of them meet at 11:30 p.m. at point R. What is the ratio of PR and QR?
1). 3 : 4
2). 5 : 6
3). 4 : 5
4). 5 : 4

---

Join Telegram Group

Other Questions

1. A train moving at a rate of 36 km/hr crosses a standing man in 10 seconds. It will cross a platform 55 metres long, in:

2. Given below are two quantities named A and B. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose between the possible answers. Quantity A: A boat covers a distance downstream in 2 h

3. Delhi metro covers a distance in 40 minutes, if it runs at a speed of 48 kmph on an average. Find the speed at which the train must run to reduce the time of journey to 32 minutes∶

4. A man sails his boat in still water with a speed of 30 km/h and goes 60 km downstream and comes back in four and a half hours. The speed of the stream is:

5. Compare the values of the two quantities in the question and answer. Quantity 1: A boat takes 3 hrs. 20 min. to travel 40 km upstream and 2 hrs.40 min. to travel the same distance in still water. How much time will it take to cover the same distance downstream? Quantity 2: The downstream speed of a boat is 22 km/hr and upstream speed is 17 km/hr. How much time will it take to travel 45 km in still water?

6. A 240 - metre long train crosses a platform twice its length in 24 seconds. What is the speed of the train in km/hour?

7. Two trains start moving from stations S and R. Both trains move towards each other at speeds of 35 km/hr and 42 km/hr respectively. When they meet each other, the second train has travelled 90 km more than the first. What is the distance (in km) between S and R?

8. The upstream speed of a boat is 7 km/hr lesser than the downstream. The boat covers 20 km upstream in 2 hours. What is the speed of boat in still water (in km/hr)?

9. A train passes a 90 m long platform in 30 seconds and a man standing on the platform in 15 seconds. The speed of the train is:

10. If speed of boat in still water is 10 km/hr and the speed of stream is 2 km/hr, then what is the upstream and downstream speeds (in km/hr) of the boat?