How many ways can three students be elected from five?

Answer 1

Three students can be selected from 5 in (5 x 4 x 3) = 60 ways.

BUT there are (3 x 2) = 6 ways to select the same 3 students.

So there are only 60/6 = 10 different groups of 3 students
that can be selected from a pool of 5.