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: For an employee to qualify for early retirement at a certain company, the sum of the employee's age and years of service must be at least 72, If Sue was K years old when she was hired by the company, what is the minimum age at which she could possibly qualify for early retirement.

Option A: K+36

Option B: 2K+36

Option C: (72+K

Option D: (72-K

Option E: 2(72-K
[EX A]: Option C

[EX Q]: Question: A can run 2 km distance in 2 min 20 seconds, while B can run this distance in 3 min 5 sec. . By how much distance can A beat B?

Option A: 900 m

Option B: 500 m

Option C: 120 m

Option D: 180 m

Option E: 190 m
[EX A]: Option B

[EX Q]: Question: The difference between compound and simple interest on a certain sum of money for 3 years at 6 2/3% p.a is Rs.184. Find the sum?

Option A: 13587

Option B: 13529

Option C: 27897

Option D: 13500

Option E: 27962
[EX A]:
Option D