Question

Write the numeral $XLVII$ in Hindu-Arabic (Indian) Numerals.

Answer 1

We know that $L=50,X=10,V=5,I=1$

$$\begin{gathered} XLVII=(L-X)+V+I+I \\ =(50-10)+5+1+1 \\ =40+5+1+1 \\ =47 \end{gathered}$$

Hence, the numeral $XLVII$ in Hindu-Arabic (Indian) numerals is $47$.