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: In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?

 Option A: 1/3

 Option B: 2/5

 Option C: 3/7

 Option D: 8/27

 Option E: 9/29

Output: Option A


Input: Consider Input: 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

Output: Option E


Input: Consider Input: Question: Mahesh marks an article 15% above the cost price of Rs. 540. What must be his discount percentage if he sells it at Rs. 496.80?

 Option A: 22

 Option B: 88

 Option C: 20

 Option D: 88

 Option E: 62


Output: Option C