Friday, August 3, 2018

mathematics - Painting edges of a 2x2 grid with 4 colours


Can you paint the edges of a 2x2 grid with 4 colours, such that:




  • The colours of edges of every 1x1 square are different.

  • The colours of edges adjacent to every vertex are different.


Good luck!



Answer



enter image description here


Is this what is meant?


Looks trivial though...


-

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...

  • IQ test sample patterns
    I was solving the sample problems for my school's IQ society and there are some I don't get. Since all I get is a final score, I wan...
  • homework and exercises - Parallel or series connection?
    Are C1, C2 and C3 connected in parallel, or C2, C3 in parallel and C1 in series with C23? Btw it appeared as a question in the basic physics...
  • A real star riddle
    500 are at my end, 500 are at my start, but at my heart there are only 5. The first letter and the first number make me complete: Some consi...