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.

Input: Consider Input: Question: If |x^2 20| = x, which of the following could be the value of x?

Option A: -5

Option B: -4

Option C: 1

Option D: 4

Option E: 10

Output: Option D

Input: Consider Input: Question: Rs.800 amounts to Rs.920 in 3 years at simple interest. If the interest is increased by 3%, it would amount to how much?

Option A: Rs.1056

Option B: Rs.1112

Option C: Rs.1182

Option D: Rs.992

Option E: Rs.702

Output: Option D

Input: Consider Input: Question: Margaret is 9 years more than twice the age of his son. The age of son is 12. Find the age of mother and find the difference between their ages

Option A: 21yrs

Option B: 20yrs

Option C: 30yrs

Option D: 40yrs

Option E: 50yrs
Output: Option A