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Addition of Roman Numerals

II + XXXIX = ...

Question

II + XXXIX =

A

IVI

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B

LXI

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C

XLI

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D

XLII

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Solution

The correct option is C XLI
Let us first convert the given Roman numerals into Hindu-Arabic numerals.

II = 1 + 1 = 2
XXXIX = 10 +10 + 10 + 10 - 1 = 39

Thus, II + XXXIX = 2 + 39 = 41.

But, 41 = 40 + 1
= (50 - 10) +1
= XL + I
= XLI.

Therefore, II + XXXIX = XLI.

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