When In Rome?

Riddle: How is half of nine four?

Answer: In Roman Numerals, nine is IX and four is IV. If you take IX and cut it in half horizontally, you will get IV.

Source: https://www.riddles.com/2587

How is half of nine four? — When In Rome? by Jason Li v1.

Riddle: How is half of nine four? Answer: In Roman Numerals, nine is IX and four is IV. If you take IX and cut it in half horizontally, you will get IV. — by Jason Li v2.