Answer:
{1, 2, 3, 4, 5}
Explanation:
Since the set builder condition says x , that is, x is an element of natural numbers and x is less than 6. So, we list the natural numbers less than 6 starting from the first natural number, 1.
So x ∈ ℕ and x < 6 = {1, 2, 3, 4, 5}