Multiple choice general knowledge math & puzzles

Find the Roman number for number: 99

  1. XXCI

  2. XC

  3. XICX

  4. XCIX
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Roman numeral for 99 is XCIX, representing 90 (XC = 100-10) + 9 (IX = 10-1). This follows the subtractive notation rules where 9 and 90 are written as IX and XC respectively. Options A, B, and C are invalid Roman numeral combinations that don't follow the standard notation system.

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