a train of length 150m takes 30 seconds to cross a bridge of the length 250 meters what time will the train take to cross a platform 130m long
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Answer:
21s
Step-by-step explanation:
Length of the train = 150 m
Length of the = 250 m
Total length = 150+250 =400m
Time taken by the train to cover 400 m = 30s
Time taken by the train to cover 1m = 30/400
Length of the platform = 130 m
Total length = 130+150 = 280
Time taken by train to cover 280m = 30/400*280 = 21s
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