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: a and b started a business investing rs. 80,000 and rs 20,000 respectively. in what ratio the profit earned after 2 years be divided between a and b respectively ?
Options: a. 4: 1, b. 3: 2, c. 18: 20, d. 18: 4, e. 17: 4
[A]: a


[Q]: Problem: find the smallest number that should be multiplied with 54000 to make it a perfect cube.
Options: ['a. 4', 'b. 5', 'c. 6', 'd. 3', 'e. 7']
[A]: a


[Q]: Problem: if in a 20 over cricket match, there were no wide balls, no wides, no extras and no overthrows. what is the maximum number of runs that a batsman can score in an ideal case scenario ?
Options: a. 663, b. 720, c. 625, d. 640, e. none
[A]:
a