1. The process of selecting objects where the order does not matter is called:

• A. Permutation

• B. Combinatorics

• C. Combination

• D. none of the following

2. In forming 3 – digit numbers, the position of the digits is important, it illustrates:

• A. Permutation

• B. Combinatorics

• C. Combination

• D. none of the following

3. What is a permutation of a group of objects?

• A. It is the process of arranging some or all of the given objects.

• B. It is the process of selecting some or all of the given objects without considering its arrangement.

• C. It is the process of selecting objects.

• D. None of the above

4. Which of the following illustrates permutation?

• A. A team of 17 players choose 3 players to refill the water cooler.

• B. Selecting which 6 players will be in the competition.

• C. Creating 10 – letter words using the English Alphabet.

• D. None of the above.

2. In forming 3 – digit numbers, the position of the digits is important, it illustrates:

• A. Permutation

• B. Combinatorics

• C. Combination

• D. none of the following

6. What is the value of 𝑛 in (𝑛, 8) = 𝐶(𝑛, 27)?

• A. 22

• B. 28

• C. 35  

• D. 41

7. How many ways can 4 fruits be selected from 6 for a salad?

• A. 5

• B. 10

• C. 15

• D. 20

8. If (12, 𝑟) = 792, which of the following is a possible value of 𝑟?

• A. 8

• B. 7

• C. 6

• D. 4

9. There are 25 students in a class. How many sets of 4 officers can beselected?

• A. 10,620

• B. 11,220

• C. 12,650

• D. 13,440

10. If (𝑛, 4) = 126, what is 𝑛?

• A. 11

• B. 10

• C. 9

• D. 8