1.	An arrangement in which order is not important is a(n) ________.
		A.	factorial	B.	combination
		C.	permutation	D.	outcome
		Hint
	2.	From a group of six students, four are to be chosen to form a committee. In how many ways can the committee be chosen?
		A.	360	B.	15
		C.	720	D.	30
		Hint
	3.	A group of 10 students is to be divided into 2 groups of 5. How many ways is this possible?
		A.	120	B.	30,240
		C.	252	D.	10
		Hint
	4.	You have an assignment for an art class to paint a painting using only four colors. Visiting an art store, you find 20 colors from which to choose. How many different combinations of colors are there?
		A.	74	B.	24
		C.	4,845	D.	116,280
		Hint
	5.	Ten students are playing in a chess tournament. If each student plays every other student once, how many total games are played?
		A.	90	B.	30
		C.	45	D.	120
		Hint