Question 424811
here no need to worry about condition  of at least 2 Accountants and at least 3 Managers...



because from a total of 22 persons we can't select 15 persons such that it don't satisfy the above condition.



in each group of 15 persons, there will be surely at least 3 Accountants and at least 5 managers.


no. of ways to select 15 persons out of 22 = 22C15 

= 170544