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: The purchase price of an article is $48. In order to include 5% of cost for overhead and to provide $12 of net profit, the markup should be

 Option A: 15%

 Option B: 25%

 Option C: 30%

 Option D: 40%

 Option E: 45%

Ex Output:
Option C


Ex Input:
Question: There are 3 questions in a question paper. If the questions have 4,3 and 2 solutions respectively, find the total number of solutions

 Option A: 24

 Option B: 25

 Option C: 30

 Option D: 40

 Option E: 54

Ex Output:
Option A


Ex Input:
Question: In a mixture of 60 liters, the ratio of milk and water is 2:1. What amount of water must be added to make the ratio of milk and water as 1:2?

 Option A: 20 liters

 Option B: 30 liters

 Option C: 60 liters

 Option D: 29 liters

 Option E: 82 liters

Ex Output:

Option C