A train speeds past a pole in 23 seconds and a platform 125 m long in 33 seconds. Its length is?	Answers:
A) 275
B) 287.5
C) 288
D) 233.5
E) 245.6
Let the length of the train be x meters and its speed be y m/sec.   They, x / y = 23 =&gt; y = x/23   x + 125 / 33 = x / 23   x = 287.5 m.   Answer:287.5
<result>B</result>
A train speeds past a pole in 23 seconds and a platform 125 m long in 33 seconds. Its length is?