Permutation and Combination | Set-2

Permutation vs Combination

Last Updated : 20 Jan, 2025

The key differences between Permutation and Combination are as follows:

Feature	Permutation	Combination
Definition	Arrangement of objects in a specific order.	Selection of objects without regard to order.
Formula	\text{P(n, r)} = \frac{n!}{(n - r)!}	\text{C(n, r)} = \frac{n!}{r!(n - r)!}
Order	Order is important.	Oder does not hold any relevance.
Example	Arranging 3 books in a shelf.	Choosing 3 books from a pile.

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