Question

6 couples have reserved seats in a row (which is exactly 12 seats) for a concert. In how many different ways can they be seated if there are no restrictions? B. if each couple is seated together

Answer 1

would it be nPr or nCr?

Answer 2

Well, actually, in this case n = r so it becomes n!

In the first case, n = 12
In the second case, n = 6

So in the first case 12!
In the second case 6!

Answer 3

In general, There are n! ways to arrange n objects in groups of n at a time.

Answer 4

If you were going to use a formula, it would have to be nPr

Answer 5

12P12 = 12!