Multiple choice general knowledge What is the value of the Roman number CM in numerals? 1100 900 1001 10000 Reveal answer Fill a bubble to check yourself B Correct answer Explanation CM in Roman numerals means 900. C represents 100 and M represents 1000. When a smaller numeral precedes a larger one, you subtract: 1000 - 100 = 900. CD would be 400, XC would be 90.