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: how many prime numbers are between 29 / 3 and 87 / 6 ?
Options: a. 1, b. 2, c. 3, d. 4, e. 5

SOLUTION: b

PROBLEM: Problem: in town x, 64 percent of the population are employed, and 47 percent of the population are employed males. what percent of the employed people in town x are females ?
Options: a. 16 %, b. 46 %, c. 32 %, d. 24 %, e. 52 %

SOLUTION: d

PROBLEM: Problem: a train covers a distance of 100 km in 1 hour. if its speed is decreased by 12 km / hr, the time taken by the car to cover the same distance will be ?
Options: a. 1 hr, b. 1 hr 8 min, c. 50 min, d. 1 hr 30 min, e. 1 hr 45 min

SOLUTION:
b