Train **your brain **
Here you will see many interesting problems. Have fun !
Here you will see many interesting problems. Have fun !
| 22 | Largest Semicircle Medium Math 5 min | 2024-10-11 |
| 21 | Shooting accuracy Easy Math 1 min | 2023-12-19 |
| 20 | From 20 to 23 Medium Math 4 min | 2023-04-10 |
| 19 | Good points Hard Math >5 min | 2023-04-07 |
| 18 | 24 puzzle Medium Math 5 min | 2023-01-12 |
| 17 | Weighting 12 balls Hard Strategy >5 min | 2021-04-30 |
| 16 | Rational and irrational numbers Hard Algebra >5 min | 2021-02-05 |
| 15 | 2020 and 2021 Medium Math 3 min | 2020-08-06 |
| 14 | Equation of 2020 Easy Algebra 2 min | 2020-07-10 |
| 13 | Transcendental equation Hard Algebra >5 min | 2020-03-22 |
| 12 | Ducks in Pool Hard Math >5 min | 2019-09-01 |
| 11 | Solve x Easy Math 1 min | 2019-07-28 |
| 10 | Ants Easy Math 1 min | 2019-06-19 |
| 9 | Don't Know Medium Inference 5 min | 2019-06-19 |
| 8 | Guess Number Hard Strategy >5 min | 2019-06-19 |
| 7 | Get Six Easy Math 3 min | 2019-06-19 |
| 6 | Escape Easy Strategy 2 min | 2019-06-19 |
| 5 | Drink beer Easy Math 2 min | 2019-06-19 |
| 4 | Two girls Medium Math 5 min | 2019-06-19 |
| 3 | Chess Guess Medium Strategy 5 min | 2019-06-19 |
| 2 | Poison Water Hard Strategy >5 min | 2019-06-19 |
| 1 | a31b Easy Math 2 min | 2019-06-19 |