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: last year elaine spent 20 % of her annual earnings on rent. this year she earned 35 % more than last year and she spent 30 % of her annual earnings on rent. the amount she spent on rent this year is what percent of the amount spent on rent last year ?
Options: a. 202.5, b. 194.5, c. 197.5, d. 182.5, e. 177.5
answer:
a


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: the average age of 15 students of a class is 15 years. out of these, the average age of 3 students is 14 years and that of the other 11 students is 16 years. the age of the 15 th student is
Options: a. 9 years, b. 11 years, c. 14 years, d. 7 years, e. 25 years
answer:

d