WorksheetsPermutation of n objects
Total questions: 20
Worksheet time: 12mins
Out of 8 Textbooks, Patrick can only put 4 textbooks in his bookshelf. In how many ways can he arrange this books in that shelf?
𝟏,𝟔𝟖𝟎 ways
336 ways
40,320 ways
6,720 ways
Evaluate 10!
3,628,800
362,880
39,916,800
40,320
Which of the following expressions represents the permutation of 4 different letters taken 2 at a time?
4P4
4P2
2P2
2P4
Which of the following expressions represent the permutation of five different books in a shelf?
4P4
3P3
5P5
2P2
Which of the following expressions is equal to (5)(4)(3)(2)(1)?
4!
2!
3!
5!
The product of all positive integers equal or less than to “n”.
n - Factorial
n - Primes
n - Products
n - Integers
Permutation refers to the arrangement of objects where the position or order is important.
TRUE
FALSE
In how many different ways can 7 potted plants be arranged in a row?
210
720
2520
5040
If P(n, 4) = 3 024, then n = ____ .
13
11
9
14
If x = P(7, 4), y = P(8, 4), and z = P(9, 3), arrange x, y, and z from smallest to greatest.
x, y, z
y, x, z
z, x, y
z, y, x
Calculate 3!2!7!
840
420
1680
2520
Which of the following symbols denote the permutation of n objects taken r at a time.
nPr
Pnr
P(n,r)
All of the above
What is P (10, 4)?
30
720
90
5040
Which of the following situations or activities involve permutations?
Opening a combination lock
Matching shirts and pants
Forming a committee from the members of a club
Choosing 7 questions to answer out of 10 questions in a test
Which of the following is used to find the permutations
of n objects taken r at a time?
(n−r)!n!
n!(n−r)!n!
(n−r)!r!n!
n!
Calculate P(12, 5).
40 320
95 040
495
11 880
What is the value of 6!
710
720
730
740
How many ways can a club select a president, vice president, and a secretary from a group of 5 people?
12
60
15
30
Calculate the number of ways how 4 different prizes can be given to 4 participants of a quiz.
24
16
20
12
