Question

Permutations and combination

Answer 1

Answer:

An arrangement that can be formed by taking some or all of finite set of things is called permutation.

Answer 2

Answer:

Permutation means knowing the number of ways of rearranging objects/things.

Example - Number of ways of rearranging 3 books in 3 places.

Combination means knowing the number of ways of selecting objects/things.

Example - Number of ways of selecting 2 boys from a group of 4 boys..