A train speeds past a pole in 12 seconds and a platform 160 m long in 17 seconds. Its length is?  Options:  A) 384  B) 360  C) 324  D) 390  E) 395
Let the length of the train be x meters and its speed be y m/sec.   They, x / y = 12 =&gt; y = x/12   x + 160 / 17 = x / 12   x = 384 m.   384nswer:384
<result>A</result>
A train speeds past a pole in 12 seconds and a platform 160 m long in 17 seconds. Its length is?