Directions: Identify the following given problem whether it is a permutation or combination. Write your answer on the space provided.
__1. In how many ways can 10 people be seated in a circular position?
__2. In how many ways can first, second, third, and fourth prizes be selected in a lucky draw bowl with 20 names in it?
__3. In how many ways can we arrange distinctly the letters of the word MATHEMATICS?
__4. In how many ways can we arrange 15 people to accupy the 4 vacant seat at the back of the driver's seat?
__5. In hoy many ways can a president, a treasurer and a secretary be chosen from among 7 candidates?