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: How many numbers are divisible by 4 between 1 and 100.

 Option A: 24

 Option B: 23

 Option C: 22

 Option D: 21

 Option E: 25
Example Output: Option A

Example Input: Question: 8 persons can build a wall 140m long in 42 days. In how many days can 30 persons complete a similar wall 100 m long?

 Option A: 12

 Option B: 10

 Option C: 8

 Option D: 6

 Option E: 5
Example Output: Option C

Example Input: Question: The ratio of the length and the width of a rectangle is 4 : 3 and the area of the rectangle is 5808 sq cm. What is the ratio of the width and the area of the rectangle?

 Option A: 1:76

 Option B: 1:80

 Option C: 1:84

 Option D: 1:88

 Option E: 1:92
Example Output:
Option D