Permutaion

Find the number of permutations of the elements in the set {1, 3, 5, 7, 9, 11}.

• 6

• 21

• 36

• 720

In how many ways can 5 different books be arranged on a shelf?

• 4!

• 5!

• 8!

• 3!

How many 4 letter permutations can be made from the set {B, O, U, N, C, E} so that they all start with the letter B, and repetition of a letter is not allowed?

• 60

• 20

• 30

• 24

8 girls need to be arranged around a table. Two among them always sit together. In how many ways can they be arranged?

• 5,040

• 1,440

• 720

• 360

Find the number of permutations of the elements in the set {S, M, I, L, E}.

• 15

• 110

• 2

• 120

In how many ways can 5 students sit around a table?

• 10

• 24

• 120

• 5

There are six people people, including you and your enemy, in a line. In how many ways can you arrange yourselves such that you and your enemy will never be beside each other?

• 240 ways

• 720 ways

• 480 ways

• 670 ways

There are six people people, including you and your enemy, in a line. In how many ways can you arrange yourselves such that you and your enemy will never be beside each other?

• 240 ways

• 720 ways

• 480 ways

• 670 ways

In how many ways can you arrange seven people to be seated in a round table?

• 5040 ways

• 120 ways

• 720 ways

• 840 ways

You are about to take 6 question test. Each question has 4 possible answer choices. How many ways can you answer the test if you answer each question?

• 4096

• 24

• 1296

• 10