Logic puzzles, riddles, math puzzles and brainteasers - pzzls.com

Vandaag is het 22 June 2018

Add using:

Number magic - math puzzle

Difficulty: 

   Rating: 2.8/5.0

Share this pzzl:  

If you multiply me by 2, subtract 1, and read the reverse the result you'll find me. Which numbers can I be?

Platonic solids - math puzzle

Difficulty: 

   Rating: 2.8/5.0

Share this pzzl:  

Show that there exist only five platonic solids (that are objects which are build out of the one sort of regular polygons, like the tetrahedron and the cube). Hint: use that for each solid in three dimensions it holds that the number of vertices + the number of faces is equal to the number of edges + 2. platonic solids

Dirty - puzzling puzzle

Difficulty: 

   Rating: 2.8/5.0

Share this pzzl:  

What gets whiter the dirtier that it gets?