Eight persons- A, B, C, D, E, F, G and H got selected in a company in July, August, September and November either on the 1st or 10th of a month but not necessarily in the same order.
| Month | Date | Person |
| July | 1st | |
| 10th | |
| August | 1st | |
| 10th | |
| September | 1st | |
| 10th | |
| November | 1st | |
| 10th | |
The number of persons got selected before D is a square number.
Two persons were selected between D and H.
| | | Case 1 | Case 2 | Case 3 |
| Month | Date | Person | Person | Person |
| July | 1st | | | |
| 10th | D | H | |
| August | 1st | | | A |
| 10th | | | |
| September | 1st | H | D | D |
| 10th | | | |
| November | 1st | | A | |
| 10th | | | H |
Four persons were selected between H and A.
G got selected immediately after A.
Thus, Case 1 gets cancelled.
| | | Case 2 | Case 3 |
| Month | Date | Person | Person |
| July | 1st | | |
| 10th | H | |
| August | 1st | | A |
| 10th | | G |
| September | 1st | D | D |
| 10th | | |
| November | 1st | A | |
| 10th | G | H |
B got selected immediately before E but not in the same month.
Thus, Case 2 gets cancelled.
| | | Case 3 |
| Month | Date | Person |
| July | 1st | |
| 10th | |
| August | 1st | A |
| 10th | G |
| September | 1st | D |
| 10th | B |
| November | 1st | E |
| 10th | H |
F does not get selected on an even-numbered date.
| | | Case 3 |
| Month | Date | Person |
| July | 1st | F |
| 10th | C |
| August | 1st | A |
| 10th | G |
| September | 1st | D |
| 10th | B |
| November | 1st | E |
| 10th | H |
This is the final arrangement.
I) F - 1st July
II) B - 10th September
These combinations are true.
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