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| = 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

Output: Option C


Input: Consider Input: Question: Raman buys an old scooter for Rs. 5000 and spends Rs. 1000 on its repairs. If he sells the scooter for Rs. 7200, his gain percent is :

 Option A: 20%

 Option B: 12%

 Option C: 10%

 Option D: 5%

 Option E: None of these

Output: Option A


Input: Consider Input: Question: For any positive integer n, the sum of the first n positive integers equals [n(n+1)]/2.
What is the sum of all the even integers between 99 and 171?

 Option A: 4420

 Option B: 4860

 Option C: 5250

 Option D: 5780

 Option E: 6340


Output: Option B