A company has 3 directors and 3 managers. How many different committees with 5 people can be chosen having at least 1 director?
Pick one:	A) 500	B) 720	C) 4500	D) 6	E) 55
atleast one means exactly one and more than one.   different committees with 5 people can be chosen having at least 1 director is   (3c2*3c3) + (3c3*3c2) = 6;   Hence 6.
<result>D</result>
A company has 3 directors and 3 managers. How many different committees with 5 people can be chosen having at least 1 director?