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.

Example Input: Question: a light flashes every 30 seconds, how many times will it flash in ? of an hour?

 Option A: 550

 Option B: 600

 Option C: 650

 Option D: 700

 Option E: 120
Example Output: Option E

Example Input: Question: Three numbers are in the ratio 5 : 6 : 7. The sum of its longest and smallest numbers equals the sum of the third number and 54. Find the third number?

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: E
Example Output: Option E

Example Input: Question: How many words with or without meaning, can be formed by using all the letters of the word, ‘ORANGE’, using each letter exactly once?

 Option A: 700

 Option B: 720

 Option C: 750

 Option D: 800

 Option E: 820
Example Output:
Option B