Tag: counting formulas

Linear vs Circular Permutations

Linear permutation refers to the number of ordered arrangement of objects in a line while circular permutations is an ordered arrangement of objects in a circular manner. If you want to know for example the number of different arrangements of 5 people can sit around a circle or the number of different ways you can

The Fundamental Counting Principle

Sometimes you wonder why they bother to teach you the formula for counting combination and permutation when most of the problems can’t be solved by any of them anyway. My advise when studying counting arrangements problem? Understand the multiplication principle, as in really understand it, before you get used to formulas. The Multiplication Principle. If