1. An express train covers a distance in 50 min, if it runs at a speed of 48 km/h on an average. The speed at which the express train must run to reduce the time of journey to 40 min will be.

2. A man jogging inside a railway tunnel at a constant speed hears An express train approaching the tunnel from behind at a speed of 30 km/h, when he is one third of the way inside the tunnel. Whether he keeps travelling forward or turns back, he will reach the end of the tunnel at the same time the express train reaches that end. The speed at which the man is travelling is:

3. What is 90 km/h as metres per second?

4. Express train A travelling at 63 km/h takes 27 sec to pass Express train B when travelling in opposite directions whereas it takes 163 seconds to overtake it when travelling in the same direction. If the length of express train B is 500 meters, find the length of Express train

5. What is 35m/sec as km/hr?

6. How much time will An express train 171 m long take to pass a bridge 229 m long , if it is travelling at a speed of 45 km/h?

7. A 75m long express train is travelling at 54 km/hr. In what time will it pass an electric pole?

8. Two trains 100 metres and 120 metres long are running in the same direction with speeds of 72kmph and 54 kmph,In what time will the first train cross the second?

9. An express train overtakes a standing man in 3 seconds and a platform 105 m long in 8 seconds. Find the length of the express train and its speed?

10. Two stations A and B are 110 km apart on a straight line. One express trainstarts from A at 7 am and travel towards B at 20 km/hr speed. Another express trainstarts from B at 8 am and travel towards A at 25 km/hr speed. At what time will they meet?

11. A train 150 m long is running with a speed of 68 kmph. In what time will it pass a man who is running at 8 kmph in the same direction in which the train is going?

12. An express train 120 m in length overtakes a pole in 12sec and another express train of length 10. m travelling in reverse direction in 10 sec. Find the speed of the second express train in km per hour.

13. A good express train and a overtaking express train are travelling on parallel tracks in the same direction. The driver of the goods express train observes that the overtaking express train coming from behind overtakes and passes his express train completely in 60 sec. Whereas a overtaking on the overtaking express train marks that he passes the goods express train in 40 sec. If the speeds of the express trains be in the ratio 1:2. Find the ratio of their lengths.

14. A train 220 m long is running with a speed of 59 kmph.. In what will it pass a man who is running at 7 kmph in the direction opposite to that in which the train is going?

15. Two express trains 105m and 90m long run at the speeds of 45km/h and 72 km/h respectively in opposite directions. The time they take to pass the each other, is

16. A train running at 54 kmph takes 20 seconds to pass a platform. Next it takes.12 sec to pass a man walking at 6 kmph in the same direction in which the train is going . Find the length of the train and the length of the platform.

17. An express trainstarts from Kolkata at 6:00 am and reaches Patna Jn.. at 10am. The other express trainstarts from Patna Jn.. at 8am and reached Kolkata at 11:30 am, If the distance between Kolkata and Patna Jn. is 200 km, then at what time did the two express trains meet each other?

18. A overtaking express train takes two hours less for a journey of 300 km if its speed is increased by 5 km/hr from its normal speed. The normal speed is:

19. Two express train 128 m and 132m long are travelling towards each other on parallel lines at 42 km/hr and 30 km / hr respectively . In what time will they be clear of each other from the moment they meet?

20. An express train 100m long takes 9 seconds to pass a man walking at 5 km/hr in the opposite directionto that of the express train. Find the speed of the express train.

21. A 415 m long express train is travelling at 63 km/hr. In what time will it pass a tunnel 28. m long?

22. The Howrah-Dhanbad-Gaya PASSENGER TRAIN and the Gaya-Dhanbad-Howrah PASSENGER TRAIN start at the same time from Howrah and Meerut and proceed towards each other at 16 km/hr and 21 km/hr respectively. When they meet, it is found that one express train has travelled 60 km more than the other. The distance between two stations is:

23. An express train covered a certain distance at a uniform speed. If the express train had been 6 km/hr faster, it would have taken 4 hour less than the scheduled time. And, if the express train were slower by 6 km/hr, the express train would have taken 6 hr more than the scheduled time. The length of the journey is:

24. An express train covers the distance betweenstations X and Y, 50 minutes faster than a goods express train. Find this distance if the average speed of the overtaking express train is 60 km/h and that of goods express train is 20 km/h.

25. A train 100 m long is running at the speed of 30 km/h / hr. Find the time taken by it to pass a man standing near the railway line.