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: If x persons take y days to complete z similar jobs, how long does it take y persons to complete 1 such job?

 Option A: z

 Option B: x

 Option C: x/y

 Option D: z/x

 Option E: x/z

SOLUTION: Option E

PROBLEM: Question: In a kilometer race, A beats B by 54 meters or 12 seconds. What time does A take to complete the race?

 Option A: 212

 Option B: 190

 Option C: 277

 Option D: 181

 Option E: 122

SOLUTION: Option A

PROBLEM: Question: If a(a + 5) = 6 and b(b + 5) = 6, where a ≠ b, then a + b =

 Option A:  −5

 Option B:  −2

 Option C:  2

 Option D:  46

 Option E:  48

SOLUTION:
Option A