
Combinations and Permutations Concepts
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
Used 2+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between combinations and permutations?
Combinations consider order, permutations do not.
Permutations consider order, combinations do not.
Both consider order.
Neither consider order.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of combinations, why does the order of selection not matter?
Because the items are always in numerical order.
Because the items are identical.
Because the items are always in alphabetical order.
Because the focus is on the group, not the sequence.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many different ways can you select 3 books from a set of 5?
10
20
30
60
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in calculating permutations?
Multiply the number of choices for each position.
Divide by the factorial of the number of items.
Subtract the number of items from the total.
Add the number of items together.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you adjust a permutation calculation to find combinations?
Add the factorial of the number of items.
Multiply by the factorial of the number of items.
Divide by the factorial of the number of items.
Subtract the factorial of the number of items.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'n factorial' represent in the combinations formula?
The sum of all numbers up to n.
The product of all numbers up to n.
The division of all numbers up to n.
The difference of all numbers up to n.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the combinations formula, what does 'r factorial' represent?
The number of ways to arrange r items.
The number of ways to add r items.
The number of ways to divide r items.
The number of ways to select r items.
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