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CTET Paper I (Classes I to V) 12 Jan 2023 Solved Paper

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Question : 31 of 150

Marks: +1, -0

In Roman numerals, (XL + LX - LXXIV) is equal to

CXXVI
XXVI
XXXIV
LIV

Solution:

Concept:

Roman numerals represent numbers: XL = 40, LX = 60, LXXIV = 74.

Explanation:

First, convert each Roman numeral to its numeric value.

XL = 40, LX = 60, LXXIV = 74.

Now perform the operations in order:

40 + 60 - 74

.

40 + 60 = 100

. Then

100 - 74 = 26

.

Convert 26 back to Roman numerals: XXVI.

Answer:

B. XXVI

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