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: a rectangular tiled patio is composed of 96 square tiles. the rectangular patio will be rearranged so that there will be 2 fewer columns of tiles and 4 more rows of tiles. after the change in layout, the patio will still have 96 tiles, and it will still be rectangular. how many rows are in the tile patio before the change in layout ?
Options: a. 5, b. 6, c. 8, d. 13, e. 28

Answer: c


Question: Problem: the total age of a and b is 16 years more than the total age of b and c. c is how many year younger than
Options: a. 14 years, b. 12 years, c. 56 years, d. 16 years, e. 55 years

Answer: d


Question: Problem: a telephone company needs to create a set of 3 - digit area codes. the company is entitled to use only digits 2, 4 and 3, which can be repeated. if the product of the digits in the area code must be even, how many different codes can be created ?
Options: a. 20, b. 26, c. 24, d. 22, e. 30

Answer:
b