Permutations and Combinations Formula: You must have played Scrabble! Or got your own sub-sandwich custom-made from Subway! Right? Well, now get ready to understand some fun rules and tricks underlying both these interesting activities. While the selection of the ingredients for your sandwich is a combination, arranging your scrabble tiles to score highest will be an example of a permutation.
Clearly, the difference between these two process lies in the fact whether the selection or arrangement depends upon the ‘order’ of the things we are to select from. Now, let’s explore further about these concepts!