Question

Which symbols can be repeated while writing in roman numerals.

Answer 1

$$\begin{gathered} \mathrm{The}\mathrm{symbols}\mathrm{that}\mathrm{are}\mathrm{allowed}\mathrm{to}\mathrm{be}\mathrm{repeated}\mathrm{while}\mathrm{writing}\mathrm{in}\mathrm{roman}\mathrm{numerals}\mathrm{are}\mathrm{I},\mathrm{X},\mathrm{C}\mathrm{and}\mathrm{M}. \\ \mathrm{We}\mathrm{can}\mathrm{successively}\mathrm{write}\mathrm{any}\mathrm{of}\mathrm{these}\mathrm{symbols}\mathrm{together}\mathrm{when}\mathrm{needed}. \end{gathered}$$