A company has 4 directors and 5 managers. How many different committees with 5 people can be chosen having at least 1 director?	Choose the correct choice from the following answers:
A) 500	B) 120	C) 4500	D) 25	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   (4c1*5c4) + (4c2*5c3) + (4c3*5c2) = 120;   Hence 120.
<result>B</result>
A company has 4 directors and 5 managers. How many different committees with 5 people can be chosen having at least 1 director?