What is the Arabic numeral equivalent of the Roman numeral XLVII?
- A.37
- B.47
- C.57
- D.67
Show answer & rationale
Correct answer
B. 47
Rationale
B is correct: XLVII = XL + V + II = 40 + 5 + 2 = 47. XL = 40 (X before L means subtract 10 from 50). V = 5. II = 2. Total = 47. A is incorrect: 37 = XXXVII. C is incorrect: 57 = LVII. D is incorrect: 67 = LXVII.
Key concepts
Roman numeralsHESI math sectionNumber conversion