7. There are 15 elected members of the Board of Directors. In how many ways can a president, a vice-preside
a secretary and a treasurer be elected from the board?
A 7.290
C. 32, 670
B. 7.920
D. 32.760

8. In how many can 8 people be seated around a circular table if two of them insist on sitting beside each oth
A. 360
C. 1,440
B 720
D 5.040

9. in a town fiesta singing competition with 12 contestants, in how many ways can the organizer arrange the
first three singers?
A12
C1270
B. 990
D 1.716

10. Order is important in permutation while it is not in
A Combination
C. Permutation
B. Integration
D. Unique permutation
11. How many possibilities are there in selecting a committee of 3 members from a club of 21
members
A 1.330
C. 3.990
B. 7980
D. 9.261

12. Which of the following situations does NOT illustrate a combination?
A Enumerating the subsets of a set
B Fixing the schedule of a group of students who must take exactly 8 subjects
C Identifying the lines formed by connecting some given points on a plane
D. Selecting 2 songs from 10 choices for an audition piece

13. Which of the following sinations or activities involves combination?
A Choosing a leader and assistant from 5 members of a group
B. Choosing five of your friends to attend a seminar
C. Dotermining the top three Isedors in a math bec
D. Forming 3-digit number using 8,47
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