Question

Which of the following are meaningless?

(i) XXXX
(ii) XLVI
(iii) VD
(iv) LXXXIX
(v) $\overline{\mathrm{III}}\mathrm{CC}$
(vi) KKKCCXI
(vii) XD
(viii) VC
(ix) IC
(x) IL
(xi) XK
(xii) LVV

Answer 1

The following numbers are meaningless:
(i) Since a symbol can't be repeated more than 3 times
(iii) Since V is never written to the left of a symbol of greater value
(v) Since bar is not placed above any symbol
(vii) Since X can't be subtracted from D
(viii) Since V is never written to the left of a symbol of greater value

(ix) Since I can be subtracted from V and X only
(x) Since I can be subtracted from V and X only

(xii) Since V can't be repeated