Brain Teasers
Hardest Probability Teasers
Probability puzzles require you to weigh all the possibilities and pick the most likely outcome.
These brain teasers have been voted as the most difficult. Only teasers with at least 20 votes are shown. Good luck solving them!
Brain Teasers
Title | Popularity | Difficulty | Submitted | ||
---|---|---|---|---|---|
1 | Doubling Dice Game | 02/09/09 | by javaguru | ||
2 | Birthday Line | 11/24/02 | by something | ||
3 | Coin Dropped on a Chessboard | 01/24/09 | by javaguru | ||
4 | Overlapping Squares | 04/19/06 | by cms271828 | ||
5 | Secret Santas I | 01/05/09 | by javaguru | ||
6 | Save the red flowers | 05/26/03 | by kvakk | ||
7 | Amoeba | 11/24/02 | by something | ||
8 | Duplicate Lottery Picks | 04/23/09 | by Zag24 | ||
9 | Checkerboard Chances | 06/13/08 | by billy314 | ||
10 | Jellybean Party Favors | 02/27/09 | by javaguru | ||
11 | Colored Marbles | 01/20/09 | by javaguru | ||
12 | Let's Go Out to the Movies | 06/25/06 | by tsimkin | ||
13 | Kebab Roulette | 04/21/04 | by mad-ade | ||
14 | Hats and Feathers | 04/24/02 | by rayneeday | ||
15 | Testing Time | 05/25/06 | by Jimbo |
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