instruction:
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.
question:
Problem: the area of a triangle is with base 18 m and height 6 m ?
Options: a. 88 m 2, b. 10 m 2, c. 66 m 2, d. 54 m 2, e. 31 m 2
answer:
d


question:
Problem: a fraudulent dairy guy declares to market his dairy at price range but he combined it with water and therefore benefits 25 %. the percentage of water in the combination is :
Options: a. 20 %, b. 30 %, c. 50 %, d. 35 %, e. 60 %
answer:
a


question:
Problem: the profit obtained by selling an article for rs. 56 is the same as the loss obtained by selling it for rs. 42. what is the cost price of the article ?
Options: a. rs. 40, b. rs. 50, c. rs. 49, d. rs. 59, e. none of these
answer:

c