Question
A train 200 m long running at 54 km/hr takes 40 seconds to cross a bridge. The length of the bridge is
Solution
Speed of train = 54 km/hr = 54 × (5 / 18) = 15 m / sec If the length of bridge be x metre, then ⇒ 15 = (200 + x)/40 ⇒ 200 + x = 600 ⇒ x = 600 – 200 = 400 metre
More Trains Questions
- The lengths of Train A and Train B are in the ratio 4:3. Train B, which has a length of 180 meters, takes 10 seconds to cross a bridge 80 meters long. If T...
- Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. What is the time taken by the slo...
- Train A running with a sped of 126 km/h crosses a vertical pole in 22 seconds. Speed of train A is 6 m/s less than speed of train B, and length of train B ...
- Train ‘A’ travelling with a speed of 42 km/h can cross a pole in 6 seconds. If the length of train ‘B’ is 10% less than that of train ‘A’ and it can cross ...
- A person sees a train passing over 6 km long bridge. The length of the train is half that of bridge if the train clears the bridge in 5 mins. What is the s...
- How many seconds will a train 66 m in length, travelling at the rate of 43 km an hour, take to pass another train 86 m long, proceeding in the same directi...
- Train P travelling at 60 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 48 km/hr in 14 seconds. T...
- A train covers 240 km in 4 hours. If its speed is increased by 20 km/h, how much time will it take to cover the same distance?
- Two trains 110 metres and 100 metres in length are running towards each other on parallel tracks, one at the rate 75 km/hr and another at 51 km/hr. In how ...
- Train A, moving at a speed of 90 km/h, passes a stationary pole in 9.4 seconds. When encountering Train B, which is traveling towards it at a speed of 54 k...
Relevant for Exams:
