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: 54671 - 14456 - 31466 = ?
Options: a. 2449, b. 5449, c. 8749, d. 8449, e. 6468

Answer: c


Question: Problem: at garage sale, all of the prices of the items sold were different. if the price of a radio sold at the garage sale was both the 9 th highest price and the 35 th lowest price among the prices of the items sold, how many items were sold at the garage sale ?
Options: a. 43, b. 28, c. 44, d. 49, e. 46

Answer: a


Question: Problem: in what ratio must rice of rs. 16 per kg be mixed with rice of rs. 24 per kg so that cost of mixture is rs. 18 per kg ?
Options: a. 4: 1, b. 2: 1, c. 3: 1, d. 4: 3, e. 4: 5

Answer:
c