3. How many different necklaces can be made from 12
beads of different colours?
4. Mom and dad and their 6 children (3 boys and 3 girls)
are to be seated at a circular table. How many ways
can this be done if mom and dad sit together and the
males and females alternate?
5. In how many ways can the student council select 3 people to be on a
subcommittee if there are 7 people on the council.