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MathNet 2006 — Part 04 Question 117

Math Olympiad Vault · MathNet 2006 — Part 04

Question 117

Find the largest real number $t$ such that, in any school with $2006$ students and $14$ teachers where every student is acquainted with at least one teacher, a student and a teacher can be found such that they are acquainted with each other, and the ratio of the number of students who are acquainted with the teacher to the number of teachers who are acquainted with the student is at least $t$.