Q: 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.
Problem: when the positive integer k is divided by the positive integer n, the remainder is 11. if k / n = 61.2, what is the value of n ?
Options: a. 9, b. 20, c. 65, d. 70, e. 81
A:
c