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: The cost of Type 1 material is Rs. 15 per kg and Type 2 material is Rs.20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then what is the price per kg of the mixed variety of material?

 Option A: Rs. 19

 Option B: Rs. 16

 Option C: Rs. 18

 Option D: Rs. 17

 Option E: Rs. 21

Output: Option C


Input: Consider Input: Question: The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:

 Option A: 9400

 Option B: 9600

 Option C: 9800

 Option D: 9000

 Option E: 9200

Output: Option B


Input: Consider Input: Question: A man has Rs. 520 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?

 Option A: 97.5

 Option B: 60

 Option C: 75

 Option D: 90

 Option E: 105


Output: Option A