The mean and the median of the five numbers above are equal. Which of the following is NOT a possible value of $x$ ?

Mashaal Masha

Mar 05, 2024

$$ 15, 14, 18, 17, x $$ The mean and the median of the five numbers above are equal. Which of the following is NOT a possible value of $x$ ?

Difficulty: Medium

6

11

16

21

ID: 65e6ab5477077994e517cc5a