Two trains running in a opposite directions crosses pole in 84s and 57s respectively and they cross each other in 72s. Find the ratio of their speeds?

- Two trains of equal lengths take 20 seconds and 30 seconds respectively to cross a telegraph post. If the length of each train be 240 metres, in what time will they cross each other travelling in opposite direction?
- There are two trains A and B. A start from point X at 5 AM towards point Y. Another train B starts at 6 AM from point X. If they meet at 10 AM and speed of A is 25 km/hr, while that of B is 33 km/hr. Find distance between X and Y.
- Two trains approach each other at 19 kmph and 23 kmph from 2 places 210 km apart. After how many hours they will meet?
- A train crosses a stationary pole in 6 sec and a 70 m long platform in 13 secs. What is the length of the train?
- Train A running at a speed of 48 km/hr crosses train B in 30 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is 600 meters and both trains running in the opposite direction.
- A train travelling with a speed of 72 km/h can cross a pole in 8 seconds. Find the time taken by the train to cross a 200 metres long platform if the speed of train is increased by 20%.
- Train A running at speed of 72 km/hr crosses a platform having twice the length of train in 18 sec. Train B whose length is 300m crosses same platform in 27 sec, then find the speed of train B ?
- A train crosses a platform in 48 seconds travelling with a speed of 120 km/hr. If the length of the train be 600 metres, then the length (in metres) of the platform is?
- A train 125 m long passes a man running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:
- A train started from station P and preceded towards station Q at a speed of 84 km/h. 40 minutes later, another train started from station Q and preceded towards station P at 100 km/h. If the distance between the two stations is 792 km, at what distance from station P will the trains meet?

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