Understanding of Slot Filling Rule
Slot filling rule is a method to determine the number of ways to place objects in available slots. This concept is very useful in solving combinatorial problems where we need to count all possible arrangements or choices that can be made.
Imagine filling out a form that has several columns. Each column has certain options, and we want to know how many different ways there are to fill out the entire form.
Table Rule Method
Table method presents all possible combinations in a systematic table format. Each row and column represents choices from different categories.
Suppose a student wants to choose an online learning package. There are three platforms (Platform A, Platform B, Platform C) and four subjects (Mathematics, Physics, Chemistry, Biology).
Using a table, we can see all possible combinations: