A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is: Train A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is: A. 50 m B. 150 m C. 200 m D. Data inadequate Answer: B. Share this Share on FacebookTweet on TwitterPlus on Google+