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 of potatoes weighs 60 lbs divided by half of its weight. how much does the bag of potatoes weight ?
Options: a. 20 lb, b. 11 lb, c. 10 lb, d. 15 lb, e. 5 lb

Answer: b


Question: Problem: ravi purchased a refrigerator and a mobile phone for rs. 15000 and rs. 8000 respectively. he sold the refrigerator at a loss of 5 percent and the mobile phone at a profit of 10 percent. overall he make a.
Options: a. 50, b. 288, c. 27, d. 200, e. 881

Answer: a


Question: Problem: a case contains c cartons. each carton contains b boxes, and each box contains 600 paper clips. how many paper clips are contained in 2 cases ?
Options: a. 600 bc, b. 600 b / c, c. 1200 bc, d. 1200 b / c, e. 1200 / bc

Answer:
c