Which of the following is the correct Roman numeral for 49?a)XLIXb)ILc...
Understanding Roman NumeralsRoman numerals are a numerical system used in ancient Rome, combining letters from the Latin alphabet. The basic symbols include:
- I = 1
- V = 5
- X = 10
- L = 50
- C = 100
Breaking Down the Number 49To represent the number 49 in Roman numerals, we analyze it as follows:
1.
50 - 1 = 49:
- The numeral for 50 is
L.
- To express the idea of "one less than 50," we place
X (which represents 10) before
L.
2.
Combining Symbols:
- Thus, we write
XL for 40 (50 minus 10).
- Next, we need to add 9, which is represented as
IX (10 minus 1).
3.
Final Combination:
- When we combine these, we get
XLIX for 49.
Why the Other Options Are Incorrect-
Option B: IL:
- This is not a valid Roman numeral, as there is no representation for 49 this way.
-
Option C: VLIII:
- This represents 48 (5 + 1 + 1 + 1 + 1 = 48), which is incorrect.
-
Option D: XLVIII:
- This represents 48 (40 + 5 + 1 + 1 + 1 = 48), so it is not correct for 49.
ConclusionThus, the correct Roman numeral for 49 is
XLIX, making option 'A' the accurate choice.