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Question
LXXXIV - XLVIII =
(This question can have more than one right answer!)
LXXXIV - XLVIII =
(This question can have more than one right answer!)
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Solution
The correct options are
B XXXVI
C 36
Before computing LXXXIV - XLVIII , we convert the Roman numerals into Hindu-Arabic numerals.
LXXXIV = 50 + 10 + 10 + 10 + 5 - 1 = 84
XLVIII = 50 - 10 + 5 + 1 + 1 + 1 = 48
Thus, LXXXIV - XLVIII = 84 - 48 = 36.
But, 36 = 30 + 6 = XXX + VI = XXXVI.
That is, LXXXIV - XLVIII = XXXVI = 36.
B XXXVI
C 36
Before computing LXXXIV - XLVIII , we convert the Roman numerals into Hindu-Arabic numerals.
LXXXIV = 50 + 10 + 10 + 10 + 5 - 1 = 84
XLVIII = 50 - 10 + 5 + 1 + 1 + 1 = 48
Thus, LXXXIV - XLVIII = 84 - 48 = 36.
But, 36 = 30 + 6 = XXX + VI = XXXVI.
That is, LXXXIV - XLVIII = XXXVI = 36.
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