TASK DEFINITION: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
PROBLEM: Question: A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?

 Option A: 3.75

 Option B: 3.76

 Option C: 3.79

 Option D: 3.74

 Option E: 3.71

SOLUTION: Option A

PROBLEM: Question: In a local school district, the high school and middle school each received r dollars toward funding for the student arts program. The high school enrolled 600 students and the middle school enrolled 300 students. Later, the middle school transferred s dollars to the high school so that they would have received the same funding per student. Which of the following is equivalent to s?

 Option A: r/3

 Option B: r/2

 Option C: 2r

 Option D: 3r

 Option E: r/9

SOLUTION: Option A

PROBLEM: Question: A can do a work in 8 days. B can do the same work in 4 days. Both A&B together will finish the work and they got $1000 from that work. Find their shares?

 Option A: 600,400

 Option B: 500,500

 Option C: 400,200

 Option D: 800,200

 Option E: 550,450

SOLUTION:
Option C