Problems on Trains - Questions and Answers

21. A train 100 metres long running at 36 kmph takes 25 seconds to pass a bridge. The length of the bridge is:

22. A train of length 150 metres takes 10 seconds to pass over another train 100 metres long coming from the opposite direction. If the speed of the first train be 30 kmph, the speed of the second train is:

23. A person sees a train passing over 1 km long bridge. The length of the train is half that of bridge. If the train clears the bridge in 2 minutes the speed of the train is:

24. A train 120 metres long is running at a rate of 54 kim/hr Time taken by the train to cross a tunnel 130 metres long is:

25. A train running at the speed of 45 kmph took 12 seconds in passing a certain point. Then the length of the train must be: