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 and b started a business investing rs. 80,000 and rs 20,000 respectively. in what ratio the profit earned after 2 years be divided between a and b respectively ?
Options: a. 4: 1, b. 3: 2, c. 18: 20, d. 18: 4, e. 17: 4
answer:
a


question:
Problem: a man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. the ratio of the speed of the boat in still water and stream is
Options: a. 3: 1, b. 1: 3, c. 2: 4, d. 4: 2, e. none of these
answer:
a


question:
Problem: a jeep takes 9 hours to cover a distance of 480 km. how much should the speed in kmph be maintained to cover the same direction in 3 / 2 th of the previous time ?
Options: a. 48 kmph, b. 52 kmph, c. 35 kmph, d. 63 kmph, e. 65 kmph
answer:

c