| Giver | Post | Date |
| syedazeem3 | Numbers p, q, r and s have 7, 16, 20 and 22 factors. Which of these co | 24-Feb-2018 |
| ndayanand | Numbers p, q, r and s have 7, 16, 20 and 22 factors. Which of these co | 05-Nov-2017 |
| Divya17 | Numbers p, q, r and s have 7, 16, 20 and 22 factors. Which of these co | 20-Oct-2017 |