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 ratio of three numbers is 1:2:3 and their sum is 60. The second number of the three numbers is?

 Option A: 24

 Option B: 26

 Option C: 20

 Option D: 29

 Option E: 30

Output: Option C


Input: Consider Input: Question: A coin is tossed two times. What is the probability that there is at the least one tail?

 Option A: 3/4

 Option B: 31/37

 Option C: 31/18

 Option D: 31/10

 Option E: 31/19

Output: Option A


Input: Consider Input: Question: If a - b = 3 and a^2 + b^2 = 31, find the value of ab.

 Option A: 12

 Option B: 15

 Option C: 10

 Option D: 11

 Option E: 13


Output: Option D