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 sun is divided among X, Y and Z in such a way that for each rupee X gets, Y gets 45 paisa and Z gets 30 paisa. If the share of Y is RS. 36, what is the total amount?

 Option A: 166

 Option B: 140

 Option C: 178

 Option D: 177

 Option E: 169

SOLUTION: Option B

PROBLEM: Question: What is the area of an equilateral triangle whose one side length is 80?

 Option A: 800√3

 Option B: 1000√3

 Option C: 1200√3

 Option D: 1400√3

 Option E: 1600√3

SOLUTION: Option E

PROBLEM: Question: If x + (1/x) = 5, what is the value of E=x^2 + (1/x)^2?

 Option A: E=21

 Option B: E=22

 Option C: E=23

 Option D: 24

 Option E: 27

SOLUTION:
Option C