Or search by topic
| Hint | Possible numbers |
| The number is odd | 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35 |
| The number is a multiple of three | 3,9,15,21,27,33 |
| It is smaller than 7x4 (=28) | 3,9,15,21,27 |
| The tens digit is even | 21,27 |
| It is the greater of the two possibilities | 27 because that is greater than 21 |
So, the answer is 27