A train 280 meters long is moving at a speed of 60 km/h. The time taken by the train to cross a platform 220 meters long is (in seconds):
Explanation:
Speed of train = 60 × 5/18 = 50/3 m/sec
Time taken by the train to cover = (220 + 280) meters = 500 ÷ 50/3 = 30 sec.
Hence, option (c).
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