| Giver | Post | Date |
| tanvi9 | In how many different ways can the letters A, A, B, B. B, C, | 05-Aug-2017 |
| dept | In how many different ways can the letters A, A, B, B. B, C, | 29-Sep-2016 |
| kp286 | In how many different ways can the letters A, A, B, B. B, C, | 02-Aug-2016 |
| Anonymous | In how many different ways can the letters A, A, B, B. B, C, | 13-Apr-2009 |