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Solved: Four married couples have bought 8 seats in the
Chapter 3, Problem 2.38(choose chapter or problem)
QUESTION:
Four married couples have bought 8 seats in the same row for a concert. In how many dierent ways can they be seated (a) with no restrictions? (b) if each couple is to sit together?(c) if all the men sit together to the right of all the women?
Questions & Answers
QUESTION:
Four married couples have bought 8 seats in the same row for a concert. In how many dierent ways can they be seated (a) with no restrictions? (b) if each couple is to sit together?(c) if all the men sit together to the right of all the women?
ANSWER:Step 1 of 5
The number of possible permutations of objects is
Hence, the number of permutations of 8 persons is
So without restrictions, there are ways that 8 persons ( 4 couples) can sit in a row.