Permutation

In how many ways can Aling Maria arrange 7 potted plants in a row?

• 6040

• 5040

• 6030

• 5030

Calculate 8P3

• 335

• 336

• 333

• 334

Calculate 21P3

• 7980

• 7890

• 7098

• 7089

In how many ways can 7 people be seated around a circular table?

• 620

• 720

• 820

• 520

How many possible distinguishable permutations are possible with all the letters of the word ELLIPSES?

• 5050

• 5020

• 5030

• 5040

You are going to arrange the letters of the following letters A, K, M, R. What is the rank of the word MARK?

It is an arrangement of objects where order is important.  

Supposed that you and 5 of your friends are on the circular table. What method of permutation is applicable if you arrange yourselves to it?

Ariel, Belle, Chris, Dave, and Eric are sitting on a bench. In how many ways can they arrange themselves knowing that Ariel and Eric must sit beside together?

It is refers to the different arrangements of distinct objects in a line.