| Giver | Post | Date |
| Nothri | w, x, y and z are all integers. Is wxyz even? | 26-Apr-2024 |
| neha2912 | w, x, y and z are all integers. Is wxyz even? | 24-Apr-2024 |
| sachin0411 | w, x, y and z are all integers. Is wxyz even? | 25-Aug-2022 |
| $!vakumar.m | w, x, y and z are all integers. Is wxyz even? | 10-Jun-2022 |
| mehro023 | w, x, y and z are all integers. Is wxyz even? | 24-Jan-2020 |