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: if a ' s height is 40 % less than that of b, how much percent b ' s height is more than that of a ?
Options: a. 66.66 %, b. 66.68 %, c. 66.766 %, d. 86.66 %, e. 66.65 %

SOLUTION: a

PROBLEM: Problem: the product of two positive integers is 675 and their difference is 2. what is the bigger number ?
Options: a. 21, b. 23, c. 25, d. 27, e. 29

SOLUTION: d

PROBLEM: Problem: in a dairy farm, 20 cows eat 10 bags of husk in 40 days. in how many days one cow will eat one bag of husk ?
Options: a. 20, b. 40, c. 80, d. 30, e. 60

SOLUTION:
c