WITH NO RESTRICTIONS, THERE ARE: . WAYS.Four married couples have 8 seats in a row for a concert.
In how many different ways can they be deated:
A) with no restrictions?
DUCT-TAPE THE COUPLES TOGETHER.B) If each couple is to sit together?
THEN WE HAVE FOUR "PEOPLE" TO ARRANGE: .
THERE ARE . POSSIBLE ARRANGEMENTS.
BUT EACH COUPLE COULD BE TAPED IN TWO WAYS: .
. . HENCE, THERE ARE: . WAYS TO SEAT THE COUPLES.
THEREFORE, THERE ARE: . WAYS.
THEY ARE SEATED LIKE THIS: .C) If all the men sit together to the right of all the women?
THE FOUR MEN CAN BE SEATED IN: .
THE FOUR WOMEN CAN BE SEATED IN: .
THEREFORE, THERE ARE: .