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: find the sum of first 89 odd numbers
Options: a. 7921, b. 4800, c. 7900, d. 4980, e. 4960
answer:
a


question:
Problem: 12. what is the dividend. divisor 17, the quotient is 9 and the remainder is 10.
Options: a. 150, b. 152, c. 154, d. 163, e. 144
answer:
d


question:
Problem: at what price must an article costing rs. 47.50 be marked in order that after deducting 20 % from the list price. it may be sold at a profit of 25 % on the cost price ?
Options: a. 62.5, b. 62.3, c. 62.7, d. 74.2, e. 62.9
answer:

d