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.

Ex Input:
Question: A train speeds past a pole in 15 sec and a platform 140 m long in 25 sec, its length is?

 Option A: 210

 Option B: 150

 Option C: 160

 Option D: 170

 Option E: 180

Ex Output:
Option A


Ex Input:
Question: How long does a train 110 m long running at the speed of 72 km/hr takes to cross a bridge 132 m length?

 Option A: 12.5

 Option B: 12.1

 Option C: 12.9

 Option D: 12.7

 Option E: 12.2

Ex Output:
Option B


Ex Input:
Question: What will be the compound interest on a sum of Rs. 22,000 after 3 years at the rate of 12% p.a.?

 Option A: s.8908.41

 Option B: s.1823.20

 Option C: s.6123.20

 Option D: s.10123.29

 Option E: s.10123.28

Ex Output:

Option A