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.

[EX Q]: Problem: evaluate: 98612 / 22 * 11 * 70 = ?
Options: a. 700.4, b. 704.4, c. 740.4, d. 744.4, e. 700.0
[EX A]: b

[EX Q]: Problem: if x ^ 2 – 4 x = 5, then one possible value of x – 2 =
Options: a. - 9, b. - 5, c. - 3, d. - 1, e. 5
[EX A]: c

[EX Q]: Problem: the population of a city is 415600. it increased by 25 % in the first year and decreased by 30 % in the second year. what is the population of the city at the end of second year ?
Options: a. 367300, b. 363580, c. 363650, d. 373650, e. 386750
[EX A]:
c