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Q: A train 280 m long, running with a speed of 63 kmph will pass a tree in
A. 15 sec      B. 16 sec   
C. 18 sec     D. 20 sec

Answer and Explanation

Answer:16 sec   

Explanation:
Speed = (63 * 5/18) m/sec = 35/2 m/ sec
Time taken = (280 * 2/35) sec = 16 sec

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