Quiz on Roman Numerals (Mathematics)

1. Write 4 using Roman numerals.

2. Write 11 using Roman numerals.

3. Write 19 using Roman numerals.

4. Write VII using international numerals.

5. Write XVIII using international numerals.

6. What number is Roman numeral L?

7. What number is Roman numeral C?

8. What number is Roman numeral D?

9. What number is Roman numeral M?

10. Mathematicians of which country invented the decimal system of writing numbers?