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.

[EX Q]: Question: A father was as old as his son's present at the time of your birth. If the father's age is 44 years now, the son's age 5years back was?

Option A: 10 years

Option B: 12 years

Option C: 14 years

Option D: 16 years

Option E: 17 years
[EX A]: Option E

[EX Q]: Question: Kiran is younger than Bineesh by 7 years and their ages are in the respective ratio of 7:9. How old is Kiran?

Option A: 22.5

Option B: 24.5

Option C: 23.5

Option D: 25.5

Option E: 26.5
[EX A]: Option B

[EX Q]: Question: Of the 100 athletes at a soccer club, 40 play defense and 60 play midfield. If at least 20 of the athletes play neither midfield nor defense, the number of athletes that play both midfield and defense could be any number between

Option A: 10 to 20

Option B: 10 to 40

Option C: 20 to 40

Option D: 30 to 70

Option E: 40 to 70
[EX A]:
Option C