Answers

2015-12-19T15:12:42+05:30
Here length means distance of train
distance=speed × time
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2015-12-19T15:50:16+05:30
Given Speed of the train = 120km/hr
Time taken pass a pole totally = 12 sec = 12/60 min = 1/5 minutes
Length of the train = distance covered in 12 seconds
⇒ distance = speed × time
⇒d = 120 × 1/5
⇒d = 24
∴distance covered = 24 km
Length of the train = 24km
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