2. Given 6P3 = 120, which of the following is the value of n? A.3 8.4.
C.6 D. 120
3. There are 8 people in a dinner gathering. In how many ways can the host (one of the 8) arrange his guest around a dining table if
they can sit on any of the chairs? A. 5040 B. 4050 C. 450
D. 40 320
4. Which refers to the number of ways of selecting from a set when order is important?
A.Permutations B. Combination
C. Factorial
D. None of the choices.
5. Which of the following situations best describes Permutation?
A. Selecting 2 songs from 10 choices for an audition piece.
B. Fixing the schedule of a group of students who must take exactly 8 subjects.
C. Enumerating the subsets of a set.
D. Identifying the lines formed by connecting some given points on a plane.
6. How many 5-letter codes can be formed with the letters B, R, A, I, N, Y if no letter can be repeated?
A. 7776 B. 3 125 C.720
D. 120
7. If May has 22 blouses, 16 pairs of shorts and 4 pairs of sandals, how many possible outfit did she have?
A. 408
B. 687
C. 1440 D. 768
8. In how many ways can the first, second, and third place winners be selected from 8 contestants?
A. 336
B. 512
C. 540
D. 624
9. How many different 3-digit even integers can be formed by arranging the digits in the number 2456 if repetition is not allowed?
A. 18 B. 27
C. 32
D. 36
10. How many distinguishable permutations are there of the letters SIPS?
A. 24 B. 20
C. 18
D. 12​