A train 220 m long passed a pole in 12 sec. How long will it take to pass a platform 600 m long?	Choose the most appropriate option:
A) 80 B) 45 C) 49 D) 50 E) 56
Speed = 220/12 = 18 m/sec.   Required time = (220 + 600)/18 = 45 sec.   Answer: Option 45
<result>B</result>
A train 220 m long passed a pole in 12 sec. How long will it take to pass a platform 600 m long?