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: If the average (arithmetic mean) of five consecutive negative integers is 8k – 1, what is the difference between the greatest and least of the five integers?

 Option A: 4K

 Option B: 4k^2 -4k

 Option C: 4-4k

 Option D: 4

 Option E: 4k+4

Ex Output:
Option D


Ex Input:
Question: Mr. Karan borrowed a certain amount at 6% per annum simple interest for 9 years. After 9 years, he returned Rs. 8010/-. Find out the amount that he borrowed.

 Option A: s. 5266

 Option B: s. 5269

 Option C: s. 5228

 Option D: s. 5201

 Option E: s. 52192

Ex Output:
Option D


Ex Input:
Question: In a bank 60 percent employees are men.80%men and 20%women belong to retirement plan.what percent of people belong to retirement plan?

 Option A: 55%

 Option B: 57%

 Option C: 56%

 Option D: 58%

 Option E: 59%

Ex Output:

Option C