# Permutation with and without Repetition

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High School Math based on the topics required for the Regents Exam conducted by NYSED. How to calculate Permutations with Repetitions and Constraints?

Permutations with and without repetition :
In statistics, in order to find the number of possible arrangements of a set of objects, we use a concept called permutations. There are methods for calculating permutations, and it's important to understand the difference between a set with and without repetition. Other important concepts that can apply to situations like permutations are the fundamental counting principal and basic probability.

Permutation with Repetition (of Indistinguishable Objects)
This video re-visits the idea of counting the way you can order things using permutations. However, one subtle twist is added for objects that are identical.
Permutations with Repetitions and Constraints
How many 'words' can you make out of the MANITOBA?
How many ways to seat guests on a bench if two people can't be together?
Learn all this and more!

Permutations with Repetition and Circular Permutations
Mixed Permutations with and without Repeats
Learn to count possible outcomes when order matters, items can repeat, and when item types are mixed.

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