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:#26355
Fun:*** (2.72)
Difficulty:** (1.5)
Submitted By:fishmedAus******mod




Visualize a cube. You know it has 6 faces, 8 corners, and 12 edges. Now, imagine a knife slicing away each corner with a straight plane cut.
How many total edges are there now?

Open Calculator

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.



Oct 14, 2005

Visualise indeed...wonderful!
Oct 14, 2005

got me! I forgot the original ones.
Nicely done.
Oct 14, 2005

a exelltent math problom. i really liked this one. right up my alley keep em coming
Oct 14, 2005

This may sound dumb, but congrats man, this was the 9000th teaser accepted.
Oct 14, 2005

Great one again fishmed, I just thought of cutting a square cheese cake Keep them coming
Oct 15, 2005

hey cool, i actually worked it out ! good one !
Jan 04, 2007

Unless the slicing goes as far as the middle of the sides. Then the old 12 edges are replaced by the 24 new ones.
Jan 05, 2009

I was thinking the same thing as Stil. It was pretty obvious what answer you were looking for, but the wording of the teaser left a number of other possibilites open.
Aug 18, 2011

good one ....

Back to Top

Online Now
8 users and 741 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: 12:36 am
Sign In Create a free account