Find the number of ways of forming an executive committee of 4 in a social club consisting of 15 members, if a particular man must be in the team

Answer 1

So, one is chose, leaving 14 others to those from.
Number of ways = C(14,3) = 364

Answer 2

Find the number of ways of forming an executive committee of four, in a department consisting of 15 member, if a particular man must be in the committee

Answer 3

the ANSWER is 14C3 =364