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.

Input: Consider Input: Problem: if the sum of 5 consecutive even positive integers is a, then the sum of the next 5 even consecutive integers in terms of a is :
Options: a. a + 5, b. a + 10, c. a + 25, d. a + 50, e. 2 a + 5

Output: d


Input: Consider Input: 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

Output: c


Input: Consider Input: Problem: train a leaves the station traveling at 30 miles per hour. two hours later train в leaves the same station traveling in the same direction at 45 miles per hour. how many miles from the station was train a overtaken by train b ?
Options: a. 100, b. 120, c. 140, d. 160, e. 180


Output: e