# Permutations and Combinations Class 11 Formulae

## Class 11 Math Chapter 7 Permutations and Combinations Formulae - PDF Download

Permutations and Combinations Class 11 Formulae are cumulated by our panel of highly experienced teachers to provide the students with effective exam preparation. The pdf not only includes the list of formulae but also offer students with the summary of the chapter, important points to remember and detailed explanation of important concepts and derivations for better understanding and retaining of the chapter. Going through these Permutations and Combinations Class 11 Formulae would easily help students to grasp challenging concepts which would ultimately lead them to score maximum marks in their exams.

### What do you mean by Permutations and Combinations?

Permutation is an arrangement in a definite order of things. If an event can occur in m different ways, following which another event can occur in n different ways, then the total number of occurrence of the events in the given order is m × n. This principle can be generalized f multiple items ‘If an event can occur in m different ways, following which another event can occur in n different ways, following which a third event can occur in p different ways, then the total number of occurrence to ‘the events in the given order is m × n × p.” Combination means selection of things. Order of things has no importance.

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