Question 10
In a military school there are $200$ students. The principal decided that every day a group of $9$ students should patrol the school and prepared the list of patrols for the entire year, respecting the following rule: if a student is on patrol on a certain day, then he cannot be on patrol on the following $10$ days.
The deputy director believes that each patrol should have $10$ students.
Decide if the vice principal can add a student to each patrol while respecting the principal's list and the $10$ drop day rule for each student.
The deputy director believes that each patrol should have $10$ students.
Decide if the vice principal can add a student to each patrol while respecting the principal's list and the $10$ drop day rule for each student.