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?
Page 7 of 37
<< prev
Page 1
Page 2
Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
Page 9
Page 10
Page 11
Page 12
Page 13
Page 14
Page 15
Page 16
Page 17
Page 18
Page 19
Page 20
Page 21
Page 22
Page 23
Page 24
Page 25
Page 26
Page 27
Page 28
Page 29
Page 30
Page 31
Page 32
Page 33
Page 34
Page 35
Page 36
Page 37
next >>
Checkerboard Chance Conclusion II |
Rating: 5.00 Posted on 2022-05-16 by K Sengupta (Solution Posted, 2 Comments) Colored Marble Muse |
Rating: 5.00 Posted on 2022-05-07 by K Sengupta (Solution Posted, 4 Comments) The Playlist |
Rating: 5.00 Posted on 2022-04-28 by Kenny M (No Solution Yet, 2 Comments) Slim chance? |
Rating: 4.00 Posted on 2022-03-28 by Ady TZIDON (No Solution Yet, 5 Comments) Announced vs Final rank average |
Rating: 5.00 Posted on 2022-02-23 by Jer (No Solution Yet, 2 Comments) Announced rank average |
Rating: 4.00 Posted on 2022-02-16 by Jer (No Solution Yet, 3 Comments) Wordle Word Randomization |
Rating: 4.00 Posted on 2022-02-14 by Charlie (Solution Posted, 3 Comments) Checkerboard Chance Conclusion |
Rating: 5.00 Posted on 2022-02-07 by K Sengupta (No Solution Yet, 9 Comments) Common Birth Dates II |
Rating: 4.50 Posted on 2021-11-17 by Charlie (Solution Posted, 6 Comments) Common Birth Dates |
Rating: 4.33 Posted on 2021-09-29 by Charlie (Solution Posted, 7 Comments) Many Heads part 2 |
Rating: 4.50 Posted on 2021-08-02 by Jer (No Solution Yet, 2 Comments) Pascal's Lottery |
Rating: 4.00 Posted on 2021-07-01 by broll (No Solution Yet, 6 Comments) Let's play Bocce |
Rating: 5.00 Posted on 2021-06-02 by Jer (No Solution Yet, 6 Comments) Gambler’s dilemma |
Rating: 3.00 Posted on 2021-05-28 by Ady TZIDON (No Solution Yet, 8 Comments) Card Deck: Complete a set, before... |
Rating: 4.00 Posted on 2021-05-25 by Charlie (Solution Posted, 3 Comments)
Please log in:
Forums (0)
Newest Problems
Random Problem
FAQ |
About This Site
Site Statistics
New Comments (4)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox: