Question

In how many ways can 3 singers be selected from 5 who came to an audition?
1
10
5
60

Answer 1

there are 5 ppl okay so

Answer 2

there are 3 picks, but the order of the picks doesnt matter

Answer 3

(5*4*3)/3!

Answer 4

How many subset of 3 element we can form using 5 elemnets?

Answer 5

hint:
what is:
\[\left( {\begin{array}{*{20}{c}}
5 \\
3
\end{array}} \right) = ...?\]