a train covers 30 km in 20 min and ig crosses an electric pole in 10 sec A. find the length of the train B. find the speed of the train C. find the time taken to cross a bridge of 900m please answer
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Step-by-step explanation:
36km →1hr
36000m →1hr
200m →
36000
200
hr
⇒
36000
200×60×60
seconds.
=20 seconds.
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