| Arabic | Roman | % Correct |
|---|---|---|
| 1000 | M | 99%
|
| 500 | D | 96%
|
| 2 | II | 94%
|
| 31 | XXXI | 93%
|
| 1057 | MLVII | 89%
|
| 6 | VI | 87%
|
| 12 | XII | 81%
|
| 821 | DCCCXXI | 79%
|
| 87 | LXXXVII | 75%
|
| 61 | LXI | 74%
|
| 2103 | MMCIII | 73%
|
| 72 | LXXII | 72%
|
| 402 | CDII | 71%
|
| 1006 | MVI | 69%
|
| 509 | DIX | 64%
|
| 732 | DCCXXXII | 63%
|
| 2312 | MMCCCXII | 59%
|
| 698 | DCXCVIII | 56%
|
| 999 | CMXCIX | 55%
|
| 3821 | MMMDCCCXXI | 51%
|