Definition: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
Input: Question: A train speeds past a pole in 15 sec and a platform 110 m long in 25 sec, its length is?

 Option A: 50 m

 Option B: 165 m

 Option C: 200 m

 Option D: 300 m

 Option E: None of these

Option B