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: 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

Answer: c

Question: Problem: find the maximum value of the function f ( x ) = x 5 if x is a number between - 5 and 13.
Options: a. 6, b. 7, c. 8, d. 9, e. none

Answer: c

Question: Problem: a tempo, while travelling at 70 kmph, uses 30 % more petrol than it uses while travelling at 50 kmph for travelling a certain distance. using one litre of petrol, it can travel 19.5 km at 50 kmph. how far can the tempo travel on 10 litres of petrol at a speed of 70 kmph ?
Options: a. 150 kms, b. 160 kms, c. 170 kms, d. 180 kms, e. 190 kms

Answer:
a