The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:200 m225 m245 m250 m
Question
Solution 1
To solve this problem, we first need to convert the speed of the train from km/hr to m/s.
1 km/hr = 5/18 m/s
So, 45 km/hr = 45 * (5/18) = 25 m/s
The train crosses the bridge in 30 seconds. The distance covered in this time is the length of the train plus the length of the bridge.
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