Terms Permutation and Combination with Examples

Problem 24 Explain the terms permutation and combination with suitable examples. 

The number of different arrangements which can be made by Talcing one time some or all elements of any set of things, then such every arrangement is called a permutation. 

Therefore, it is clear that the number of arrangements which can be made by taking any two things at one time out of three things will be six. 

If one work can be done in m ways and second work in n ways, then both the works can be done together in m x n ways. 

Important Formulae The number of arrangements of taking r things out of it different things is 

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