10
I. The numeral is I, meaning one.
The Roman numeral MC III is equivalent to the Arabic numeral 1103.
The Hindu-Arabic numeral system comprises of the numbers 1, 2, 3, etc. The Roman Numeral System uses the letters I, V, X, L, C, D, and M in place of numbers.
X is the roman numeral for 10 and V is the roman numeral for 5. So 10+10+5=25.
If you mean XVIII then it is a Roman numeral equivalent to 18
L + x + x + x +iv =50+10+10+10+4= 84
On Converting between Arabic and Roman Numbers ,we get : 10 in roman number Is : X
The Roman numeral for X is 10.
Converting between Arabic and Roman Numbers is done as : numeral number of XXIV is : 24
The above is invalid as a Roman numeral but V+I+I+X+I+V = XXIII (23)
L = 50, X = 10 LX = 50 + 10 = 60
X is a Roman numeral and it represents the number 10.