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: in a survey of 340 employees, 104 of them are uninsured, 54 work part time, and 12.5 percent of employees who are uninsured work part time. if a person is to be randomly selected from those surveyed, what is the probability that the person will neither work part time nor be uninsured ?
Options: a. 7 / 12, b. 8 / 41, c. 39 / 68, d. 1 / 8, e. 41 / 91
[A]: c


[Q]: Problem: a train of length 250 m crosses a bridge of length 150 m in 20 seconds. what is the speed of train ?
Options: a. 33, b. 27, c. 25, d. 22, e. 72
[A]: e


[Q]: Problem: the price of 2 sarees and 4 shirts is rs. 1600. with the same money one can buy 1 saree and 6 shirts. if one wants to buy 12 shirts, how much shall he have to pay ?
Options: a. 2500, b. 2700, c. 2200, d. 2900, e. 2400
[A]:
e