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: if a man lost 8 % by selling oranges at the rate of 25 a rupee at how many a rupee must he sell them to gain 25 % ?
Options: a. 20, b. 15, c. 18.4, d. 20, e. 12.8
answer:
c


question:
Problem: if jack walked 8 miles in 1 hour and 15 minutes, what was his rate of walking in miles per hour ?
Options: a. 4, b. 4.5, c. 6, d. 6.4, e. 15
answer:
d


question:
Problem: the admission charge in a water park is $ 1 by adult and $ 0.75 by child accompanying an adult. how much was there of child with an adult who paid in quite $ 3.25 to have access to the water park ?
Options: a. 1, b. 2, c. 3, d. 4, e. 5
answer:

c