Blog

You probably know that half of 12 is six. But the other day, I caught a glimpse of a clock peeking between buildings. At that moment, I noticed that sometimes, half of 12 is seven. How is this possible?

Scroll down for the answer!

 

brain icon

 

Brainteaser answer

Clocks often have their numbers in Roman numerals, so 12 is written XII. If you cover the bottom half of XII, you’ll get VII, which is seven in Roman numerals!

If you’re after more puzzles and brainteasers for kids, subscribe to Double Helix magazine!

Subscribe now! button

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

By posting a comment you are agreeing to the Double Helix commenting guidelines.

Why choose the Double Helix magazine for your students?

Perfect for ages 8 – 14

Developed by experienced editors

Engaging and motivating

*84% of readers are more interested in science

Engaging students voice