| Book | Puzzle | |
|---|---|---|
| Question-3 | Solution | |
| Question-2 | Solution | |
| Question-1 | Solution | |
| Question-2 | Solution | |
| Question-1 | Solution | |
| Question-2 | Solution | |
| Question-1 | Solution | |
| Question-1 | Solution | |
| Question-1 | Solution | |
| Tips by party size | Solution | |
| Tips by bill range | Solution | |
| Top 3 monthly price difference | Solution | |
| Yr-Over-Yr-Sales | Solution | |
| Pivoting billionaires | Solution | |
| Bucketing billionaires by country | Solution | |
| Bucketing billionaires | Solution |