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 a school 50% of the students are younger than 10, 1/20 are 10 years old and 1/10 are older than 10 but younger than 12, the remaining 70 students are 12 years or older. How many students are 10 years old?

 Option A: 5

 Option B: 6

 Option C: 7

 Option D: 8

 Option E: 10
[EX A]: Option E

[EX Q]: Question: What percent of 60 is 70?

 Option A: 133 1⁄3

 Option B: 75

 Option C: 60

 Option D: 33 1⁄3

 Option E: 116.66
[EX A]: Option E

[EX Q]: Question: There are 60 people and 3 clubs M, S, and Z in a company. 16 people joined M, 18 people joined S and 11 people joined Z. If the members of M did not join any other club, at most, how many people of the company did not
join any club?

 Option A: 22

 Option B: 23

 Option C: 24

 Option D: 25

 Option E: 26
[EX A]:
Option E