Combinatorics: Permutations
Test your knowledge of permutations — counting the number of ways to arrange objects when the order matters.
Questions cover factorials, the permutation formula P(n,r), arranging letters in a word, and handling repeated elements.
Counting arrangements gets tricky fast — see how well you can apply the formula.
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Sample questions3 of 11 shown
Q1
What is the definition of a permutation?
Q2
How many permutations are there of the letters in the word 'CAT'?
Q3
What is the formula for permutations when selecting r objects from n objects?
What This Quiz Covers
- Factorials and their calculation
- The permutation formula P(n,r)
- Arranging distinct objects in a line
- Permutations of letters in a word
- Handling repeated elements
- Arranging a subset of a larger group
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