THAPA TECHNICAL

HOUSE OF WEB DEVELOPERS AND TECHNOLOGY.

How many possible 3 character combinations using letters?

How many possible 3 character combinations using letters? 


Q1: How many combinations can be using 3 alphabet letters (from A to Z)? Note that string doesn't have to be unique, it can be eg. RPP or AZZ

sol: You can make three independent choices, one for each of the three letters. For each choice, you have 26 options (the letters in the alphabet). So the total number of combinations is


If you want the letters to be unique, the calculation changes slightly. You still have 26 options for the first choice, but for the second choice there are now only 25 options available (all letters except the one you already chose), and for the third choice there are 24 options available (all letters except the two you already chose). So this gives you:


  TASK FOR YOU


Q1:  How many possible 7 characters combination using numbers and letters(alphabets)? 
Comment below to answer. Let see who is going to give the correct answer.

To check more on password decrypting process: https://www.quora.com/How-long-does-it-take-to-crack-an-8-character-password

8 comments:

  1. This result will complete the task

    $(letter = Array("A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z");
    for(i=0;i<26;i++){
    for(j=0;j<26;j++){
    for(k=0;k<26;k++){
    echo $letter[i].$letter[j].$letter[k]. "
    "
    }
    }
    }

    ReplyDelete
  2. I guess I am the only one who came here to share my very own experience. Guess what!? I am using my laptop for almost the past 2 years, but I had no idea of solving some basic issues.
    free4crack.net
    Sublime Text 4 Crack

    ReplyDelete
  3. This book is a commanding introduction to the history of black civil rights in the U.S., it provides a comprehensive history of African American struggle for freedom from 1860-1990. The first five chapters encircle what might be seen as the traditional areas of African American studies and the last two chapters add future perception of African Americans. Black Panther for birthday

    ReplyDelete
  4. This article is a guide to parents that plan on hosting character themed birthday party for their children. In order to throw a successful character themed birthday party, parents must make sure they get a firm understanding of the character prior to shopping for the party. The themed party can be a cartoon character, type of sport, or even a favorite pop star that the child takes interest in. Your job is to throw one whale of a party and make sure the boy or girl of the day has a great time along with the guests. hora loca

    ReplyDelete
  5. Watch and Download world's famous Turkish action drama Kurulus Osman Season 3 in English on link below
    👇
    Kurulus Osman Season 3

    Kurulus Osman Season 3 Episode 1
    On link below
    Kurulus Osman Season 3 Episode 1

    Crypto trading course
    Join on link below
    Crypto quantum leap

    YouTube course
    Be a professional YouTuber and start your carrier
    Tube Mastery and Monetization by matt

    Best product for tooth pain ,
    Cavity ,
    Tooth decay ,
    And other oral issues
    Need of every home
    With discount
    And digistore money back guarantee
    Steel Bite Pro

    ReplyDelete
  6. from did you come up with the number 26?

    ReplyDelete