Question

Suppose that 3 boys and 2 girls go to the theater and occupy 5 seats in a row. In how many ways can they be seated if all boys sit together?

A-3
B-6
C-12
D-36

Answer 1

treat the 3 boys as one entity.
that would be, so a group of by and 2 other girls make 3 objects.
so 3! to arrange them.

Also there are 3! ways you can rearrange the boys within theses so,

3! * 3! = 36

Answer 2

group of *boys* and two girls

Answer 3

thanks