Out of 8 men and 10 women, a committee consisting of 6 men and 5 women is to be formed. How many such committees can be formed when one particular man A refuses to be a member of the committee in which his boss's wife is there?
in general you can have
Okay so the catch is that 1 of these guys refuses to work with one of these girls. So this particular person cannot be used with all guys so we subtract
now for the last guy who refused work with one girl. he can only work with