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.

[Q]: 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
[A]: Option D

[Q]: Question: If 0.5 : x :: 5 : 8, then x is equal to:

Option A: A

Option B: B

Option C: C

Option D: D

Option E: E
[A]: Option E

[Q]: Question: Tom and Linda stand at point A. Linda begins to walk in a straight line away from Tom at a constant rate of 4 miles per hour. One hour later, Tom begins to jog in a straight line in the exact opposite direction at a constant rate of 9 miles per hour. If both Tom and Linda travel indefinitely, what is the positive difference, in minutes, between the amount of time it takes Tom to cover half of the distance that Linda has covered and the amount of time it takes Tom to cover twice the distance that Linda has covered?

Option A: 60

Option B: 72

Option C: 84

Option D: 90

Option E: 216
[A]:
Option E