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: the cost price of a radio is rs. 1800 and it was sold for rs. 1430, find the loss % ?
Options: a. 18 %, b. 20.5 %, c. 30 %, d. 45 %, e. 12 %

Output: b


Input: Consider Input: Problem: there are 27 different 3 - digit integers that can be formed using only the digits 3, 4 and 5. if all 27 of the integers were listed, what would their sum be ?
Options: a. 11,888, b. 11,988, c. 12,088, d. 12,188, e. 12,288

Output: b


Input: Consider Input: Problem: a numberais squared and then multiplied by negative 3. the result of this operation r is equal to 3 times the sum of 3 timesaand two. what is one possible value ofa ?
Options: a. - 3, b. - 2, c. 1, d. 2, e. 3


Output: b