What is the median of this set?

{π, √25, 15%, √15, 10/4 }

To find the median of a set, we first need to sort the elements in ascending order. Let's sort the elements in this set:

{π, √25, 15%, √15, 10/4}

Sorting the elements in ascending order gives us:

{π, √15, √25, 15%, 10/4}

Now, the median is defined as the middle value of the sorted set if the set has an odd number of elements. If the set has an even number of elements, the median is the average of the middle two values.

In this case, we have 5 elements in the set, which is an odd number. So, we need to find the middle value. The middle value is the third element when the set is sorted:

{π, √15, √25, 15%, 10/4}

Therefore, the median of this set is √25.