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.

Q: 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

A: a
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Q: Problem: the smallest number which when diminished by 2, is divisible by 12, 16, 18, 21 and 28 is
Options: a. 1008, b. 1010, c. 1022, d. 1032, e. 1043

A: b
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Q: Problem: a women purchased 3 towels @ rs. 100 each, 5 towels @ rs. 150 each and two towels at a certain rate which is now slipped off from his memory. but she remembers that the average price of the towels was rs. 165. find the unknown rate of two towels ?
Options: a. a. 400, b. b. 450, c. c. 500, d. d. 550, e. e. 600

A:
e
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