| Giver | Post | Date |
| i40i | Working together, 7 identical pumps can empty a pool in 6 | 30-Apr-2022 |
| AsiaDavtian | Working together, 7 identical pumps can empty a pool in 6 | 03-Feb-2022 |
| kevinluume | Working together, 7 identical pumps can empty a pool in 6 | 28-Jan-2022 |
| nityakaul02 | Working together, 7 identical pumps can empty a pool in 6 | 13-Feb-2021 |
| pdubo893 | Working together, 7 identical pumps can empty a pool in 6 | 03-Nov-2020 |
| dsdome | Working together, 7 identical pumps can empty a pool in 6 | 14-Oct-2020 |
| GugaFaria | Working together, 7 identical pumps can empty a pool in 6 | 14-Oct-2020 |
| jaanhvii | Working together, 7 identical pumps can empty a pool in 6 | 12-Oct-2020 |
| KathyS | Working together, 7 identical pumps can empty a pool in 6 | 12-Oct-2020 |
| Dhar12 | Working together, 7 identical pumps can empty a pool in 6 | 11-Oct-2020 |
| AnnaKr | Working together, 7 identical pumps can empty a pool in 6 | 21-Sep-2019 |
| fahim8 | Working together, 7 identical pumps can empty a pool in 6 | 03-Sep-2019 |
| ab9640 | Working together, 7 identical pumps can empty a pool in 6 | 24-Dec-2018 |
| SWAPNILP | Working together, 7 identical pumps can empty a pool in 6 | 18-Aug-2018 |
| bebs | Working together, 7 identical pumps can empty a pool in 6 | 16-Aug-2018 |
| Patrick999 | Working together, 7 identical pumps can empty a pool in 6 | 30-Sep-2017 |
| giangalang | Working together, 7 identical pumps can empty a pool in 6 | 08-Jul-2017 |
| gmat19289 | Working together, 7 identical pumps can empty a pool in 6 | 19-Mar-2017 |
