Question
Train ‘C’ takes 15 seconds to cross a pole and 35
seconds to cross a 400 metre long bridgIf the length of the train had been 300 metres then find the time taken by it to cross a 200 metre long bridge with same speed.Solution
According to the question,
Train ‘C’ took (35 – 15 = 20 seconds) to travel 400 metres
Therefore, speed of the train = 400 / 20 = 20 m/sec
Now, total distance to be travelled = 300 + 200 = 500 metres
Required time taken = 500 / 20 = 25 seconds
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