1.
Ten points are located on a circle. How many line segments can be drawn with these points as endpoints?
A.
10
B.
45
C.
100
D.
90
Hint
2.
How many ways can a committee of 2 girls and 1 boy be formed from a class of 13 girls and 7 boys?
A.
546
B.
1,092
C.
91
D.
169
Hint
3.
How many different 4-member committees can be chosen from a panel of 10 people?
A.
40
B.
420
C.
210
D.
30
Hint
4.
Eight points are located on a circle. How many line segments can be drawn with these points as endpoints?
A.
56
B.
16
C.
4
D.
28
Hint
5.
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.
combination; 1,140 committees
B.
combination; 6,840 committees
C.
permutation; 6,840 committees
D.
permutation; 1,140 committees
Hint