15 singers were selected to perform in a party, but at a time only 5 singers can perform, then how many times a particular singer performed if no same group of 5 singers performed twice

(Q). 15 singers were selected to perform in a party, but at a time only 5 singers can perform, then how many times a particular singer performed if no same group of 5 singers performed twice?
Solution:-

Since a particular singer is always selected then number of ways of selecting 4 more singers ouht of remaining 14 players is ¹⁴C₄
Hence Answer = ¹⁴C₄