Multiple choice 305 XXXC CCCX CCCV XXXV Reveal answer Fill a bubble to check yourself C Correct answer Explanation The number 305 is composed of 300 and 5. In Roman numerals, 300 is written as CCC (three hundreds) and 5 is written as V, giving CCCV. The other options represent 310 (CCCX) and 35 (XXXV).