Roman Numerals
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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. 3B. 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.
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