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: In how many different number of ways 6 men and 4 women can sit on a shopa which can accommodate persons?

 Option A: 200

 Option B: 210

 Option C: 90

 Option D: 250

 Option E: 270
Example Output: Option C

Example Input: Question: A reduction of 20% in the price of salt enables a lady to obtain 25 kgs more for Rs.100, find the original price per kg?

 Option A: 6

 Option B: 1

 Option C: 5

 Option D: 4

 Option E: 7
Example Output: Option B

Example Input: Question: The present age of a father is 3 years more than three times the age of his son.Three years hence,father as age will be 12 years more than twice the age of the son.Find the present age of the father.

 Option A: 88

 Option B: 39

 Option C: 33

 Option D: 44

 Option E: 55
Example Output:
Option B