ROMAN NUMERALS

Definition of Roman Numerals

The system of Roman numerals is numeral system used by the ancient Romans.

Roman numerals are the symbols used by the ancient Romans to represent numbers.

Examples of Roman Numerals

    Following are the basic symbols and the numbers they represent in the Roman numeral system:
    I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1,000.

    The other numbers in the Roman numeral system are obtained by placing these basic symbols beside each other.
    For Example, XV = 10 + 5 = 15
    IX = 10 1 = 9
    VI = 5 + 1 = 6

Video Examples: Roman Numerals


Solved Example on Roman Numerals

Ques: Which of the following numbers can be represented as a Roman numeral using the letters V and I?

    Choices:
    A. 3
    B. 9
    C. 10
    D. 4
    Correct Answer: D

Solution:

    Step 1: Considering choice A, 4 = 5 - 1 = IV
    Step 2: Considering choice B, 3 = 1 + 1 + 1 = III
    Step 3: Considering choice C, 9 = 10 - 1 = IX
    Step 4: Considering choice D, 10 = X
    Step 5: So, the number that can be represented as a Roman numeral using the letters V and I is 4.