1.
Ten points are located on a circle. How many line segments can be drawn with these points as endpoints?
A.
10
B.
100
C.
45
D.
90
Hint
2.
How many different 3-card hands can be dealt from a standard deck of 52 cards?
A.
11,050
B.
22,100
C.
132,600
D.
265,200
Hint
3.
How many different 4-member committees can be chosen from a panel of 10 people?
A.
420
B.
30
C.
210
D.
40
Hint
4.
There are 20 students in student council. Three of these students are picked to be on a committee to plan the spring dance. Does this represent a combination or a permutation? How many possible committees can be formed?
A.
permutation; 1,140 committees
B.
combination; 1,140 committees
C.
combination; 6,840 committees
D.
permutation; 6,840 committees
Hint
5.
There are 20 students in student council. Two of these students are picked to be president and vice-president. Does this represent a combination or a permutation? How many possible ways can the president and vice-president be chosen?
A.
combination; 190 ways
B.
combination; 380 ways
C.
permutation; 190 ways
D.
permutation; 380 ways
Hint