Question 11
The numbers $-2,$ $4,$ $6,$ $9$ and $12$ are rearranged according to these rules:
$1.$ The largest isn’t first, but it is in one of the first three places.
$2.$ The smallest isn’t last, but it is in one of the last three places.
$3.$ The median isn’t first or last.
What is the average of the first and last numbers?
$1.$ The largest isn’t first, but it is in one of the first three places.
$2.$ The smallest isn’t last, but it is in one of the last three places.
$3.$ The median isn’t first or last.
What is the average of the first and last numbers?