
Permutations and Combinations
Quiz
•
Mathematics
•
University
•
Practice Problem
•
Hard
Hehe Pogi
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the notation P(n,r) represent?
The number of r-permutations of a set with n elements
The number of r-combinations of a set with n elements
The number of permutations with repetition of a set with n elements
The number of ways to choose r elements from a set with n elements
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many permutations are there of a set of 3 elements taken 3 at a time with repetition?
9
6
27
81
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a permutation without repetition?
Choosing 3 scoops of ice cream from 5 flavors
Choosing 4 students out of a class of 20 to form a team
Arranging 5 books on a shelf
Selecting 3 pieces of fruit from 6 types
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many 4-letter codes can be formed using the letters A, B, and C if repetition is allowed?
12
24
64
81
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the notation C(n,k) represent?
The number of k-permutations of a set with n elements
The number of k-combinations of a set with n elements
The number of combinations with repetition of a set with n elements
The number of ways to choose n elements from a set with k elements
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A _____ of a set is an arrangement of its members into a sequence or linear order. The number of ways to arrange n objects in order is denoted as P(n,r), where r is the number of objects chosen from the set.
Combination
Factorial
Elements
Permutation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A _____ is a selection of items from a larger pool where order does not matter. The number of ways to choose k items from n items is denoted as C(n, k).
Combination
Factorial
Elements
Permutation
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