A 300 m long train crosses a platform in 40 sec while it crosses a signal pole in 18 sec. What is the length of the platform?
Choose the most appropriate option.
A) 288 B) 350 C) 889 D) 367 E) 234
Speed = 300/18 = 50/3 m/sec.   Let the length of the platform be x meters.   Then, (x + 300)/40 = 50/3   3x + 900 = 2000 =&gt; x = 367 m.   Answer:367
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A 300 m long train crosses a platform in 40 sec while it crosses a signal pole in 18 sec. What is the length of the platform?