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: micheal and adam can do together a piece of work in 20 days. after they have worked together for 15 days micheal stops and adam completes the remaining work in 10 days. in how many days micheal complete the work separately.
Options: a. 40 days, b. 100 days, c. 120 days, d. 110 days, e. 90 days
answer:
a


question:
Problem: a soccer team played 280 games and won 65 percent of them. how many games did it win ?
Options: a. 182, b. 100, c. 104, d. 150, e. 124
answer:
a


question:
Problem: 6 women can do 75 units of work in 8 days by working 5 hrs / day. in how many days can 4 women do 30 units of work by working 8 hrs / day ?
Options: a. 3 days, b. 4 days, c. 5 days, d. 6 days, e. 7 days
answer:

a