Multiple choice general knowledge culture What is the Roman numeral for 500? A D I J Reveal answer Fill a bubble to check yourself B Correct answer Explanation In Roman numerals, 'D' represents 500. The Roman numeral system uses letters: I=1, V=5, X=10, L=50, C=100, D=500, M=1000. 'A' and 'J' are not Roman numerals, and 'I' represents only 1.