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AMO 2027 Grades 8-9 SET 1 - Self-study Question 15

AMO · AMO 2027 Grades 8-9 SET 1 - Self-study

Question 15

The median of the list $n,n+3,n+4,n+5,n+6,n+8,n+10,n+12,n+15$ is 15. What is the mean of the list?
  1. 6
  2. 8
  3. 12
  4. 15
  5. None of the above