Strange Subtraction

Mathematics, Puzzles, , , 7 Comments

numbers

I took 1 from 19 and I got 20. How was that possible?

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Solution (Click to Show)

It’s in Roman numeral. So, taking away I (1) from XIX (19) leaves me with XX (20).

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My name Edmark M. Law. I work as a freelance writer, mainly writing about science and mathematics. I am an ardent hobbyist. I like to read, solve puzzles, play chess, make origami and play basketball. In addition, I dabble in magic, particularly card magic and other sleight-of-hand type magic. I live in Hong Kong. You can find me on Twitter` and Facebook. My email is edmarklaw@learnfunfacts.com

7 thoughts on “Strange Subtraction”

  1. Pingback: Recommended #15 | Joe Rover

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