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Question
What do we get on adding XXXVII to LXXXIX?
What do we get on adding XXXVII to LXXXIX?
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Solution
The correct option is C 126
When a Roman numeral with the larger value is on the left, we add the values together and when it is on the right, we subtract the values.
Also, I = 1, V = 5, X = 10 and L = 50.
∴ XXXVII = 10 + 10 + 10 + 5 + 1 + 1
= 37
LXXXIX = 50 +10 + 10 + 10 + (10 - 1 )
= 89
Thus, XXXVII + LXXXIX = 37 + 89 = 126.
When a Roman numeral with the larger value is on the left, we add the values together and when it is on the right, we subtract the values.
Also, I = 1, V = 5, X = 10 and L = 50.
∴ XXXVII = 10 + 10 + 10 + 5 + 1 + 1
= 37
LXXXIX = 50 +10 + 10 + 10 + (10 - 1 )
= 89
Thus, XXXVII + LXXXIX = 37 + 89 = 126.
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