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 x gets 25 % more than y and y gets 20 % more than z, the share of z out of rs. 1110 will be :
Options: a. rs. 300, b. rs. 200, c. rs. 240, d. rs. 350, e. none of these

Output: a


Input: Consider Input: Problem: the price of a certain painting increased by 30 % during the first year and decreased by 15 % during the second year. the price of the painting at the end of the 2 - year period was what percent of the original price ?
Options: a. 102 %, b. 105 %, c. 110.5 %, d. 112.5 %, e. 100 %

Output: c


Input: Consider Input: Problem: the length of a room is 5.5 m and width is 3.75 m. find the cost of paying the floor by slabs at the rate of rs. 1200 per sq. metre.
Options: a. rs. 15,000, b. rs. 24,750, c. rs. 15,600, d. rs. 16,500, e. none


Output: b