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: In how many different number of ways 6 men and 4 women can sit on a shopa which can accommodate persons?

 Option A: 200

 Option B: 210

 Option C: 90

 Option D: 250

 Option E: 270
[EX A]: Option C

[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: If a < b < c , which of the following must be true?
(I) a < b^2
(II) b − a > c
(III) a^2 < b^2 < c^2

 Option A: II only

 Option B: I only

 Option C: None

 Option D: III only

 Option E: II and III
[EX A]:
Option C