What does nPr represent in permutation?
- Total number of objects
- Number of combinations
- Number of arrangements of r objects selected from n objects
- None of these
Explanation
- nPr represents the number of arrangements of r objects selected from n objects.
- In permutation, the order of objects matters.
- Different arrangements are counted as different results.
- It is used when the position or sequence is important.
- Formula: nPr = n! / (n − r)!
Last verified on 07-07-2026
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- Number of arrangements of r objects selected from n objects
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