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 sum of all the integers a such that - 26 < a < 24 is
Options: a. 0, b. - 2, c. - 25, d. - 49, e. - 51
answer:
d


question:
Problem: a student travels from his house to school at 12 km / hr and reaches school 2 hours late. the next day he travels 20 km / hr and reaches school 1 hour early. what is the distance between his house and the school ?
Options: a. 90, b. 100, c. 110, d. 120, e. 130
answer:
a


question:
Problem: on a sum of money, the simple interest for 2 years is rs. 327, while the compound interest is rs. 340, the rate of interest being the same in both the cases. the rate of interest is
Options: a. 15 %, b. 14.25 %, c. 7.95 %, d. 10.5 %, e. 11.5 %
answer:

c