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What is the time taken by a train running at 54 km/hr to cross a man standing on a platform, the length of the train being 180 m?

A10 sec

B12 sec

C20 sec

D15 sec

Answer:

B. 12 sec

Read Explanation:

54 km/hr = 54x5/18=15 m/sec time = ( 180/ 15) s => time = 12 s


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