In English we use the word "combination" loosely, without thinking if the order of things is important. In other words: "My fruit salad is a combination of apples, grapes and bananas" We don't care what …

Oct 15, 2025 · Example: How many 3-digit numbers greater than 500 can be formed using 3, 4, 5, and 7? Since a three-digit number greater than 500 will have either 5 or 7 at its hundredth place, we have …

What are Permutations? A permutation is an ordered arrangement of outcomes and an ordered combination. For example, there are 5 chairs and 3 persons are to be seated. We have 5 ways to …

Here, we will start with a summary of permutations and look at their formula. Then, we will see several examples with answers to understand the application of the permutations formula.

In combinatorics, a permutation is an ordering of a list of objects. For example, arranging four people in a line is equivalent to finding permutations of four objects. More abstractly, each of the following is a …

Oct 17, 2023 · With permutations, every little detail matters. Alice, Bob and Charlie is different from Charlie, Bob and Alice (insert your friends’ names here). Combinations, on the other hand, are pretty …

The following diagrams give the formulas for Permutation, Combination, and Permutation with Repeated Symbols. Scroll down the page with more examples and step by step solutions.

Nov 28, 2025 · Each of these 20 different possible selections is called a permutation. In particular, they are called the permutations of five objects taken two at a time, and the number of such permutations …

Permutations can be used to compute complex probability problems. For example, we can use permutations to determine the probability that a 6 digit personal identification number (PIN) has no …

May 4, 2025 · Master permutation and combination with easy-to-understand formulas, real-world examples, and practice problems. Perfect for students...