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 contractor undertakes to built a walls in 50 days. He employs 60 peoples for the same. However after 25 days he finds that only 40% of the work is complete. How many more man need to be employed to complete the work in time?

Option A: 25

Option B: 90

Option C: 35

Option D: 20

Option E: None of these

SOLUTION: Option B

PROBLEM: Question: If x < y < 0, which of the following must be true?

Option A: 2xy/3x is a negative integer

Option B: x-y is a positive integer

Option C: (-x

Option D: x/y is a negative integer

Option E: 2x+y is a negative integer

SOLUTION: Option C

PROBLEM: Question: The price of sugar is increased by 5%. By how much percent should a home maker reduce her consumption of sugar to have no extra expenditure?

Option A: (700/107

Option B: (107/100

Option C: (500/105

Option D: (5/100

Option E: (100/500

SOLUTION:
Option C