Question

Express the following as a Hindu-Arabic numeral:

$\mathrm{CCXX}$

Answer 1

the Roman numeral is $\mathrm{CCXX}$

Here, $\mathrm{CC}=200\&\mathrm{XX}=20$

so, $\mathrm{CCXX}=200+20=220$

Hence, required Hindu-Arabic numeral is $220$