| Roman | Solution | % Correct |
|---|---|---|
| VII | 7 | 100%
|
| CCCVI | 306 | 95%
|
| XIX | 19 | 90%
|
| XXXVIII | 38 | 85%
|
| LXVI | 66 | 85%
|
| DCCL | 750 | 85%
|
| MLXXXVII | 1087 | 80%
|
| MCCCX | 1310 | 80%
|
| MMIV | 2004 | 80%
|
| CLXXI | 171 | 75%
|
| MDCCCI | 1801 | 75%
|
| CDLIX | 459 | 75%
|
| MMCCXXV | 2225 | 70%
|
| CCLXXIX | 279 | 70%
|
| CMXXIII | 923 | 70%
|
| MDCXXXI | 1631 | 65%
|
| CMXCIX | 999 | 65%
|
| CDXLIV | 444 | 60%
|