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Combinations and Permutations
Flashcard
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
What is a combination?
Back
A selection of items from a larger set where the order does not matter.
2.
FLASHCARD QUESTION
Front
What is a permutation?
Back
An arrangement of items from a larger set where the order does matter.
3.
FLASHCARD QUESTION
Front
How many distinct combinations can be formed with 7 digits using numbers 0 through 5?
Back
279936
4.
FLASHCARD QUESTION
Front
What does 10P5 represent?
Back
Permutations with 10 choices and 5 positions.
5.
FLASHCARD QUESTION
Front
How many different bicycle license plates can be formed with 2 letters followed by a 1-digit number?
Back
6760
6.
FLASHCARD QUESTION
Front
How many possible three-digit area codes can be created if the first digit can be 2-9, the second can be 0 or 1, and the third can be 0-9?
Back
160
7.
FLASHCARD QUESTION
Front
What is the formula for combinations?
Back
C(n, r) = n! / (r!(n-r)!) where n is the total number of items and r is the number of items to choose.
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