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: There are 14 stations between Hyderabad and Bangalore. How many second class tickets have to be printed, so that a passenger can travel from any station to any other station?

 Option A: 288

 Option B: 267

 Option C: 261

 Option D: 211

 Option E: 240

Output: Option E


Input: Consider Input: Question: If x < y < 0, which of the following must be true?

 Option A: 2xy/3x is a negative integer

 Option B: x-y is a positive integer

 Option C: (-x

 Option D: x/y is a negative integer

 Option E: 2x+y is a negative integer

Output: Option C


Input: Consider Input: Question: The list price of an article is Rs.66. A customer pays Rs.56.16 for it. He was given two successive discounts, one of them being 10%. The other discount is?

 Option A: 3.45%

 Option B: 4.45%

 Option C: 5.45%

 Option D: 6.45%

 Option E: 7.45%


Output: Option C