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: An inspector rejects 15% of the meters as defective. How many will he examine to reject 15?

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: E

Output: Option A


Input: Consider Input: Question: How many words can be formed by taking 4 letters at a time out of the letters of the word MATHEMATICS.

 Option A: 2154

 Option B: 2454.

 Option C: 2254

 Option D: 2354

 Option E: 1245

Output: Option B


Input: Consider Input: Question: If x > y and y > z, which of the following represents the greatest number E?

 Option A:  x − z

 Option B:  x − y

 Option C:  y − x

 Option D:  z − y

 Option E:  z − x


Output: Option A