instruction:
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 bag contains 12 red marbles. if someone were to remove 2 marbles from the bag, one at a time, and replace the first marble after it was removed, the probability that neither marble would be red is 25 / 36. how many marbles are in the bag ?
Options: a. 24, b. 48, c. 60, d. 72, e. 84
answer:
b


question:
Problem: if x 2 + kx - 3, is divisible by ( x - 1 ), what is the value of k
Options: a. - 1, b. 1, c. 2, d. - 1, e. 0
answer:
c


question:
Problem: the captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. if the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. find out the average age of the team.
Options: a. 20, b. 21, c. 22, d. 23, e. 25
answer:

d