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: Little John had $8.50. He spent $1.25 on sweets and gave to his two friends $1.20 and $2.20. How much money was left?

 Option A: $5.85

 Option B: $6.85

 Option C: $ 3.85

 Option D: $2.85

 Option E: $4.85

SOLUTION: Option C

PROBLEM: Question: How many pieces of 0.85 metres can be cut from a rod 42.5 metres long?

 Option A: 30

 Option B: 40

 Option C: 50

 Option D: 60

 Option E: 70

SOLUTION: Option C

PROBLEM: Question: A man shows his friend a woman sitting in a park and says that she the daughter of my grandmother's only son.What is the relation between the two

 Option A: brother sister relation

 Option B: sister sister-in-law relation

 Option C: daughter father relation

 Option D: daughter mother relation

 Option E: grand daughter father relation

SOLUTION:
Option A