A train takes 52 seconds to cross the 204 m long bridge. If the same train takes 18 seconds to cross a board, then tell the length of the train. (In meters)
108
Crossing a board (a point object) means the train covers its own length \(L\) in 18 s; crossing the bridge means it covers \(L + 204\) m in 52 s.
Extra distance 204 m is covered in \(52 - 18 = 34\) s, so speed = \(\frac{204}{34} = 6\) m/s.
Length of the train = \(6 \times 18 = 108\) m.
Hence, the length of the train is 108 metres.
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Important Questions from Problem on Trains
Eight railway stations A, B, C, D, E, F, G and H are connected either by two-way passages or one-way passages. One-way passages are from C to A, E to G, B to F, D to H, G to C, E to C and H to G. Two-way passages are between A and E, G and B, F and D, and E and D.
If the route between G and C is closed, which one of the following stations need not be passed through while travelling from H to C?
A daily train is to be introduced between station A and station B starting from each end at 6 AM and the journey is to be completed in 42 hours. What is the number of trains needed in order to maintain the Shuttle Service?
The length of a train and that of a platform are equal. If with a speed of 108 km/hr the train crosses the platform in one minute. Then the length of the train (in metres) is:
A train can cross a pole and a bridge 75 meters long in 10 seconds and 25 seconds respectively. Find the length of the train.
A 275 metre long train crosses a platform of equal length in 33 seconds. What is the speed of the train in kmph?
