Learning Task 2: Justify! Identify whether the given problems below is permutation or combination. Justify your answer. No need to solve. (2 points each number)
1. There are 15 different books. How many groups of 6 books can be selected?
2. How many ways can you arrange 7 books on a shelf?
3. In a 50-person race, how many ways can you award gold, silver and bronze? 4. A group has to select a moderator and a secretary from 5 members in the group. How many arrangements of group leaders are possible?
5. A group has to select two leaders from the 5 members in the group. How many sets of group officers are possible?​