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: Find the odd one out:
125, 106, 85, 76, 65, 58, 53

 Option A: 33

 Option B: 85

 Option C: 26

 Option D: 18

 Option E: 222
[EX A]: Option B

[EX Q]: Question: If |x + 2| = 10, what is the sum of all the possible values of x?

 Option A: -16

 Option B: -13

 Option C: -4

 Option D: -2

 Option E: 12
[EX A]: Option C

[EX Q]: Question: If 1/a^2 + a^2 represents the diameter of circle O and 1/a + 2a = 3, which of the following best approximates the circumference of circle O?

 Option A: 28

 Option B: 22

 Option C: 20

 Option D: 16

 Option E: 12
[EX A]:
Option D