Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
--------
Question: Problem: 4, 12, 48, 240, 1440, 10080,80640 (... )
Options: a. 7620, b. 10080, c. 6200, d. 10020, e. 725760

Answer: e


Question: Problem: if a sum of money doubles itself in 20 years at simple interest, the ratepercent per annum is
Options: a. 12, b. 12.5, c. 13, d. 5, e. 14

Answer: d


Question: Problem: in a certain town, the ratio of ny yankees fans to ny mets fans is 3: 2, and the ratio of ny mets fans to boston red sox fans is 4: 5. if there are 360 baseball fans in the town, each of whom is a fan of exactly one of those three teams, how many ny mets fans are there in this town ?
Options: ['a. 96', 'b. 108', 'c. 120', 'd. 132', 'e. 140']

Answer:
a