| Giver | Post | Date |
| Mahedi12322 | How many integers between 4000 and 7000 have digits that are all diffe | 11-Oct-2021 |
| arjunbir | How many integers between 4000 and 7000 have digits that are all diffe | 26-May-2021 |
| vipasa1996 | How many integers between 4000 and 7000 have digits that are all diffe | 25-May-2021 |