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: a man traveled from the village to the post - office at the rate of 25 kmph and walked back at the rate of 4 kmph. if the whole journey took 5 hours 48 minutes, find the distance of the post - office from the village ?
Options: a. 70 m, b. 80 km, c. 20 km, d. 10 km, e. 73 km
answer:
c


question:
Problem: what least number must be subtracted from 13294 so that the remainder is exactly divisible by 97 ?
Options: a. 3, b. 5, c. 7, d. 9, e. 10
answer:
b


question:
Problem: at their respective rates, pump a, b, and c can fulfill an empty tank, or pump - out the full tank in 2, 3, and 6 hours. if a and b are used to pump - out water from the half - full tank, while c is used to fill water into the tank, in how many hours, the tank will be empty ?
Options: a. 2 / 3, b. 1, c. 3 / 4, d. 3 / 2, e. 2
answer:

c