Brain Teasers Optical Illusions Puzzle Hunts Codes & Ciphers Mechanical Puzzles
Personal Links
Browse Teasers
Search Teasers


Math brain teasers require computations to solve.


Puzzle ID:#1719
Fun:*** (2.23)
Difficulty:** (1.72)
Submitted By:Bigman****




How can 1+1=10?

Open Calculator


1+1=10 only if you use base 2 instead of base 10.

What Next?


See another brain teaser just like this one...

Or, just get a random brain teaser

If you become a registered user you can vote on this brain teaser, keep track of
which ones you have seen, and even make your own.



Jan 20, 2006

AKA binary (!)
Jun 14, 2006

Reminds me of the joke...

There are 10 kinds of people in this world. Those who know binary, and those who don't.
Jun 25, 2007

I liked Smudge's joke better!

Back to Top

Online Now
8 users and 554 guests

Users In Chat
Follow Braingle!
Tap into all 20,000+ of our brain teasers, riddles and puzzles on your iPhone or iPad.
Braingle in the iTunes App Store
Copyright © 1999-2017 | FAQ | Widgets | Links | Green | Subscribe | Contact | Privacy | Conditions | Advertise | Braingle Time: 7:25 pm
Sign In Create a free account