All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info
Home > Probability
Problems dealing with various probabilities, be it coin tossing or game winning.
A box contains 900 cards numbered from 100 to 999. Cards are drawn randomly, one at a time, without replacement, and the sum of their digits is recorded. What is the minimum number of cards that must be drawn to guarantee that at least three of these sums are the same?
(No Solution Yet, 2 Comments) Submitted on 2025-06-02 by Danish Ahmed Khan   
Page 6 of 37   << prev next >>    
Difficulty: 3 of 5Ducks in a pond | Rating: 5.00
Posted on 2023-01-24 by Jer (No Solution Yet, 17 Comments)
Difficulty: 4 of 5Four Points in a Square | Rating: 5.00
Posted on 2023-01-12 by K Sengupta (Solution Posted, 10 Comments)
Difficulty: 3 of 5Bless you, Blaise! |
Posted on 2022-12-31 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Rising above the ceiling | Rating: 5.00
Posted on 2022-12-06 by K Sengupta (No Solution Yet, 6 Comments)
Difficulty: 3 of 5A Game of Dice Puzzle |
Posted on 2022-11-14 by K Sengupta (No Solution Yet, 7 Comments)
Difficulty: 4 of 5Average Arctic Distance |
Posted on 2022-10-21 by Charlie (Solution Posted, 8 Comments)
Difficulty: 3 of 5Knot Tying Travail | Rating: 5.00
Posted on 2022-10-16 by K Sengupta (No Solution Yet, 5 Comments)
Difficulty: 2 of 5Facile probability poser? | Rating: 5.00
Posted on 2022-10-09 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 3 of 5Square Overlap Settlement | Rating: 5.00
Posted on 2022-09-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 3 of 5Red Flower Survival Surmise | Rating: 5.00
Posted on 2022-08-29 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Product Crossed Square Settlement | Rating: 5.00
Posted on 2022-08-19 by K Sengupta (Solution Posted, 5 Comments)
Difficulty: 3 of 5The Game of Keno | Rating: 4.00
Posted on 2022-07-12 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Same digits II | Rating: 4.00
Posted on 2022-06-17 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 3 of 5'- subject to availability -' | Rating: 2.33
Posted on 2022-06-02 by broll (No Solution Yet, 7 Comments)
Difficulty: 3 of 5 Card Shuffle Conclusion | Rating: 5.00
Posted on 2022-05-20 by K Sengupta (Solution Posted, 1 Comments)
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (7)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2025 by Animus Pactum Consulting. All rights reserved. Privacy Information