You can answer Problems on Permutation perfectly if you solve the Problems on Permutation step by step. Follow these steps while solving Problems on Permutation.

- Read carefully the Problems on Permutation
- Identify which items are to be arranged. This will give you value of
*n.* - Identify how many groups these items are to be arranged into. This will be value of
*r.* - Check whether the
*order of arrangement is significant. If it is significant*then it is one of the Problems on Permutation. *indistinguishable objects*- Solve math Permutation Problem using Permutation Formula.

Example

For example click on **Formula of Permutation - how to solve correctly?**