27. In how many ways can 8 people be seated around a circular table if 2 of them insist on sitting beside each other?
A. 5040
B. 1544
C. 1454
D. 1440
28. Brian was able to calculate the total number of 3-digit numbers that can be formed from a given set of non-zero digits, without repetition: If there were 60 numbers in all, how many digits were given?
A. B
B. C
C. D
29. Determine the number of distinguishable permutations of the word COMMITTEE
A. 45,360
B. 45,630
C. 46,350
D. 45,306
30. In a 10-item problem-solving test, how many ways can you select 5 problems to solve?
A. 252
B. 30,240
C. 30,420
D. 225
3. Le iunicr cacc Of Roberto