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B
39
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C
52
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D
62
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Solution
The correct option is A 42 We know that, L = 50 and X = 10. If a lesser roman number is written towards the left of bigger roman numbers, that number to be subtarcted.. So, XL = 40
XLII = XL + II = 40 + 2 = 42 Hence decimal form of XLII is 42.