alleryA house number 2,421 is carved in Roman style. What is carved?
AMMCCXXI
BMCDXXI
CMMCDXXI
DMMCDXII
Answer & Solution
Correct answer: C. MMCDXXI
1. Split 2,421 into 2000, 400, 20 and 1.
2. These are MM, CD, XX and I, giving MMCDXXI.
3. MCDXXI is 1421, MMCCXXI is 2221, and MMCDXII is 2412.
_Source: Wikipedia, Roman numerals, Standard form_
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