| Giver | Post | Date |
| gaussbonet | Four terms in Arithmetic progression have a sum of 28. | 19-Jun-2024 |
| olenabg | Four terms in Arithmetic progression have a sum of 28. | 14-Oct-2023 |
| Umeshtup | Four terms in Arithmetic progression have a sum of 28. | 28-Sep-2023 |
| Aishwarya19 | Four terms in Arithmetic progression have a sum of 28. | 21-Sep-2023 |
| himanshu13 | Four terms in Arithmetic progression have a sum of 28. | 01-Sep-2021 |
| Carcass | Four terms in Arithmetic progression have a sum of 28. | 27-Aug-2021 |