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: 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

SOLUTION: Option B

PROBLEM: Question: The value of 3Z + Z(ZZ)(ZZ) when Z = 5 is:

 Option A: 3150

 Option B: 3200

 Option C: 3140

 Option D: 3650

 Option E: 3104

SOLUTION: Option C

PROBLEM: Question: 6 chess players take part in a tournament. Every player plays twice with each of his opponents. How many games are to be played?

 Option A: 19

 Option B: 20

 Option C: 30

 Option D: 33

 Option E: 34

SOLUTION:
Option C