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.

Example Input: Question: If the average (arithmetic mean) of 18 consecutive odd integers is 414, then the least of these integers is

 Option A: a

 Option B: b

 Option C: c

 Option D: d

 Option E: e
Example Output: Option A

Example Input: Question: Ajay marked the price of his goods 30% more than his C.P. He then sells 1/4th of his stock at a discount of 15%, and half of the stock at the marked price, and the rest at a discount of 30%. Find his gain percentage.

 Option A: 16.5%

 Option B: 15.375%

 Option C: 14.20%

 Option D: 13.37%

 Option E: None of these
Example Output: Option B

Example Input: Question: A tradesman by means of his false balance defrauds to the extent of 26%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?

 Option A: 58.76%

 Option B: 49.89%

 Option C: 84.67%

 Option D: 24.65%

 Option E: 45%
Example Output:
Option A