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Question

To quickly revise addition of Roman Numerals, your teacher asked the class to add XX and XXX.
She gave you 4 options. Which circle would you choose?


A

Circle A

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B

Circle B

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C

Circle C

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D

Circle D

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Solution

The correct option is D

Circle D


XX = 10 + 10 = 20
XXX = 10 + 10 + 10 = 30
Thus, XX + XXX = 20 + 30 = 50.

The Roman numeral for 50 is L.

Thus, the circle to be chosen is D.


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