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: in a fuel station the service costs $ 1.65 per car, every liter of fuel costs 0.65 $. assuming that a company owns 12 cars and that every fuel tank contains 55 liters and they are all empty, how much money total will it cost to fuel all cars ?
Options: a. 320 $, b. 380 $, c. 420 $, d. 448.8 $, e. 480 $

Output: d


Input: Consider Input: Problem: find the curved surface area, if the radius of a cone is 35 m and slant height is 30 m ?
Options: a. 1100, b. 2200, c. 3300, d. 4400, e. 5500

Output: c


Input: Consider Input: Problem: the average weight of 26 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. find the average weights of all the boys in the class.
Options: a. 49.05, b. 42.25, c. 50, d. 51.25, e. 52.25


Output: a