| Problem | Solutions | Attempts | First Solved |
|---|---|---|---|
| A. Challenging Lover | 11 | 14 | 0:09:14 |
| B. I Love 0 | 17 | 17 | 0:01:08 |
| C. Find the Number of Pearls | 7 | 9 | 0:02:06 |
| D. How Many Kids Are in the Circle? | 10 | 13 | 0:02:16 |
| E. Counting the Counts | 16 | 16 | 0:02:37 |
| F. Only One’s | 11 | 11 | 0:24:24 |
| G. Genius Needs Help | 8 | 8 | 0:10:35 |
| H. Birthday Surprise | 4 | 5 | 0:12:51 |
| I. Ice-cream of Montu Mia | 16 | 16 | 0:05:53 |
| J. Jigsaw Puzzle | 7 | 8 | 0:06:08 |
| K. Magic Number | 8 | 12 | 0:00:58 |
| L. Weird Subtraction | 8 | 12 | 0:27:58 |
