1. A special case of permutation where the arrangement of things is in a circular pattern
a. Permutation b. Circular permutation c. Repetitions d. Combination
2. An arrangement of things in a definite order or the ordered arrangement of
distinguishable objects without allowing repetitions among the objects
a Permutation b. Circular permutation
c. Repetitions d. Combination
3. A permutation where some objects or elements are alike.
a. Permutation b. Circular permutation
c. Combination d. Distinguishable
4. Formula for permutation P (n, r)
221
n!
b.
(r+n)!
C.
(r-n)!
72!
d.
(r-)!
(n-1)
5.0! is equal to
a. 1
b. 2
c. 3
d. 4
6. Using the digits 2, 3, 6, 8, and 9, how many 3-digit whole numbers can be formed if
repetitions are not permitted?
a. 14
b. 60
c. 120
d. 625
e. 1296
7. How many permutations are there of all the letters in the word COMBINE?
a 42
b. 49
c. 5040
d. 10080
e. 40320
8. Calculate the number of ways that the "lemon", "plum" and "peach" horses (the first
3 finishers) can finish in a race with 9 horses.
a. 6
b. 27
C. 84
d. 362880
9. In how many ways can the letters of the word 'LEADER' be arranged?
a. 72
b. 144
c. 360
d. 720
10. The number of different permutations of the word BANANA is
b. 60
c. 120
d. 360
a. 720
11. The letters of the ROME taken r at a time can be written in
a. 4 ways b. 8 ways
c. 12 ways d. 24 ways
12. How many four-digit numbers can be formed from the digits 1, 2, 3, 4, 5, 6
(Repetition of digits not allowed)?
a 360
b. 120
c. 240
d. 480
13. How many words can be formed from the letters of the word TRIANGLE with T
always at the beginning and E at the end.
a. 360
b. 720
c. 240
d. 480
14. In how many ways the letters of the word FAMILY can be arranged when F and Y
are always together?
a. 60
b. 120
c. 240
d. 480
15. How many 4-letter words with or without meaning, can be formed out of the letters
of the word, 'LOGARITHMS', if repetition of letters is not allowed?
a. 40
b. 400
c. 5040
d. 2520​