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: john and david can finish a job together in 2 hours. if john can do the job by himself in 3 hours, what percent of the job does david do ?
Options: a. 36.33 %, b. 33.33 %, c. 39.33 %, d. 40.33 %, e. 33 %
[A]: b


[Q]: Problem: in a certain deck of cards, each card has a positive integer written on it, in a multiplication game a child draws a card and multiplies the integer on the card with the next large integer. if the each possible product is between 35 and 200, then the least and greatest integer on the card would be
Options: a. 3 and 15, b. 3 and 20, c. 4 and 13, d. 4 and 14, e. 5 and 14
[A]: e


[Q]: Problem: a, b and c start a business each investing 20,000. after 5 months a withdrew 5000, b withdrew 4000 and c invests 6000 more. at the end of the year, a total profit of 69,900 was recorded. find the share of b.
Options: a. 20,000, b. 21,200, c. 28,200, d. 20,500, e. none of these
[A]:
c