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: lucy bought a 1 - year, 10000 certificate of deposit that paid interest at an annual rate of 8 percent compunded semiannually. what was the total amount of interest paid on this certificate at maturity ?
Options: a. 10464, b. 864, c. 816, d. 800, e. 480

SOLUTION: d

PROBLEM: Problem: 210 students were asked in a survey if they preferred windows or mac brand computers. 60 students claimed that they preferred mac to windows brand computers. one third as many of the students who preferred mac to windows, equally preferred both brands. 90 of the students had no preference. how many of the students in the survey preferred windows to mac brand computers ?
Options: a. 25, b. 40, c. 50, d. 60, e. 75

SOLUTION: b

PROBLEM: Problem: a piece of cloth cost rs 35. if the length of the piece would have been 4 m longer and each meter cost re 1 less, the cost would have remained unchanged. how long is the piece ?
Options: a. 5 mtrs, b. 10 mtrs, c. 12 mtrs, d. 15 mtrs, e. 18 mtrs

SOLUTION:
b