Situation:

Choosing the first, second and third-place winners of an art competition.

Conclusion:

Total number of winners for an art competition is , then .

From the winners choosing first, second and third-place winners, So .

Combination:

A selection of objects in which order is not important is called a combination.

Permutation:

When the objects are arranged so that order is important and every possible order of the objects is provided, the arrangement is called a permutation.

Therefore, the situation is combination and permutation because the winners of an art competition does not matters and Choosing the first, second and third-place are arrangemts.

Combination and Permutation.