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: A reduction of 25% in the price of oil enables a house wife to obtain 5kgs more for Rs.800, what is the reduced price for kg?

 Option A: 72

 Option B: 27

 Option C: 40

 Option D: 28

 Option E: 20

Output: Option C


Input: Consider Input: Question: What does the hexa number E78 in radix 7.

 Option A: 12455

 Option B: 14153

 Option C: 14256

 Option D: 13541

 Option E: 14541

Output: Option D


Input: Consider Input: Question: What is the minimum number of square marbles required to tile a floor of length 5 metres 78 cm and width 3 metres 06 cm?

 Option A: 153

 Option B: 187

 Option C: 540

 Option D: 748

 Option E: 546


Output: Option A