16. Given below are two quantities named I and II. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose among the possible answers.
Quantity I: The average age of a group of students is 24 years. When the age of their teacher is also included, the average age increases by 1 year. If the age of the teacher is 36 years, find the number of students in the group.
Quantity II: 11