Question

Write each of the following as a Hindu-Arabic numeral:

$\mathrm{LXIX}$.

Answer 1

Hindu-Arabic numeral:

To convert the Roman numeral into Hindu-Arabic numeral we should know about values of Fundamental symbols as

$\mathrm{I}=1,\mathrm{X}=10,\mathrm{L}=50,$

Putting values of given Roman numerals and adding them, we get

$\mathrm{LXIX}$ = $50+10+(10-1)$

= $69$.

Hence, Hindu-Arabic numeral for $\mathrm{LXIX}$ is $69$.