TASK DEFINITION: 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.
PROBLEM: Problem: ray writes a two digit number. he sees that the number exceeds 4 times the sum of its digits by 3. if the number is increased by 18, the result is the same as the number formed by reversing the digits. find the number.
Options: a. 2, b. 5, c. 6, d. 7, e. 8

SOLUTION: b

PROBLEM: Problem: two positive integers differ by 4, and sum of their reciprocals is 2. then one of the numbers is
Options: a. a. 3, b. 2, c. c. 5, d. d. 21, e. e. 28

SOLUTION: b

PROBLEM: Problem: if two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is ?
Options: a. 1 / 9, b. 1 / 2, c. 1 / 1, d. 1 / 5, e. 1 / 8

SOLUTION:
b