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 the area of a circle decreases by 66 %, then the radius of a circle decreases by
Options: a. 20 %, b. 18 %, c. 36 %, d. 64 %, e. none of these
answer:
e


question:
Problem: an 80 - liter solution of cool - drink is made from 10 % jasmine water. if 5 liters of jasmine and 15 liters of water were added to the solution, what percent of the solution is jasmine ?
Options: a. 11 %, b. 13 %, c. 15 %, d. 17 %, e. 19 %
answer:
b


question:
Problem: sam and nik start from a and b respectively at the same time and travel towards each other at constant speeds along the same route. sam meets nik at point c on the road which is 600 m away from starting point a and 400 m away from point b. the speed of sam is 50 m / m ( meter / minute.. how much time did sam take to cover the distance between a and b ?
Options: a. 10 minutes, b. 15 minutes, c. 20 minutes, d. 22 minutes, e. 17 minutes
answer:

c