Solution:
Women can be chosen in ways and men in
The number of ways in which a committee of 3 women and 4 men be chosen from 8 women and 7 men if Mr. X refuses to serve on the committee if Mr. Y is a member of the committee is
The number of ways in which a committee of 3 women and 4 men be chosen from 8 women and 7 men if Mr. refuses to serve on the committee if Mr. is a member of the committee is
