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: What sum of money will produce Rs.70 as simple interest in 4 years at 3 1/2 percent?

 Option A: 266

 Option B: 500

 Option C: 287

 Option D: 26

 Option E: 281

SOLUTION: Option B

PROBLEM: Question: If the ratio of boys to girls in a class is B and the ratio of girls to boys is G; then 5 (B + G) is ?

 Option A: Equal to 3

 Option B: Less than 5

 Option C: More than 5

 Option D: Less than 1/5

 Option E: none of these

SOLUTION: Option A

PROBLEM: Question: The present age of a father is 3 years more than five times the age of his son. Three years hence, father's age will be 17 years more than thrice the age of the son. Find the present age of the father.

 Option A: 33

 Option B: 38

 Option C: 29

 Option D: 40

 Option E: 53

SOLUTION:
Option E