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: 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
[A]: d


[Q]: Problem: the overall age of x and y is 19 year greater than the overall age of y and z. z is how many decades younger that x ?
Options: a. 11, b. 15, c. 12, d. 19, e. 20
[A]: d


[Q]: Problem: a sum fetched a total simple interest of $ 4151.25 at the rate of 9 p. c. p. a. in 5 years. what is the sum ?
Options: a. $ 8829, b. $ 2840, c. $ 6578, d. $ 7782, e. $ 8928
[A]:
e