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: How many numbers are divisible by 4 between 1 and 100.

 Option A: 24

 Option B: 23

 Option C: 22

 Option D: 21

 Option E: 25
[EX A]: Option A

[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: Akhil borrowed a certain sum of money at the rate of 6%, 9% and 14% for a period of first two years, next three years and beyond the period of five years respectively. If at the end of nine years, he paid Rs. 8550 as interest, then find the sum of money he had borrowed.

 Option A: Rs. 9,000

 Option B: Rs.14,000

 Option C: Rs.15,000

 Option D: Rs.18,000

 Option E: None of these
[EX A]:
Option A