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 Q]: Question: If 6 (A's capital) = 8 (B's capital) = 18 (C's capital). Then the ratio of their capitals is?

 Option A: 12:15:16

 Option B: 12:15:4

 Option C: 12:9:4

 Option D: 20:15:11

 Option E: 20:15:19
[EX A]: Option C

[EX Q]: Question: If x persons take y days to complete z similar jobs, how long does it take y persons to complete 1 such job?

 Option A: z

 Option B: x

 Option C: x/y

 Option D: z/x

 Option E: x/z
[EX A]: Option E

[EX Q]: Question: The sum of two consecutive integers is 41. Find the numbers.

 Option A: 17, 18

 Option B: 7, 8

 Option C: 5, 6

 Option D: 20,21

 Option E: 8, 9
[EX A]:
Option D