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: A cycle is bought for Rs.900 and sold for Rs.1150, find the gain percent?

 Option A: 15

 Option B: 20

 Option C: 27.77

 Option D: 40

 Option E: 12
Example Output: Option C

Example Input: Question: The length and breadth of a rectangular floor are 16.25 metre and 12.75 metre respectively. Find how many minimum number of square tiles would be required to cover it completely?

 Option A: 375

 Option B: 2570

 Option C: 2800

 Option D: 3315

 Option E: None of these
Example Output: Option D

Example Input: Question: A sum of money becomes triple itself in 5 years at simple interest. How many years will it become six times at the same rate?

 Option A: 12 1/2

 Option B: 12 1/6

 Option C: 12 1/9

 Option D: 12 1/5

 Option E: 12 1/1
Example Output:
Option A