A pentomino is a tile made of five unit squares joined edge to edge. Divide this grid into five pentominoes, each containing the five letters A,B,C,D,E. The regions are not necessarily the same shape.
In text form, the 5x5 grid is:
A C A E B
C B D A C
A D E D B
B A B E C
E D E C D
This puzzl...
It is known that a $4\times6$ grid can be colored with two colors such that no four cells of the same color form an orthogonal rectangle. The only valid coloring, up to permutation of its columns, is
The question is: is there a $4\times6$ grid, colored with two colors, such that no four cells of...
ONE DAY, YOU WERE SCROLLING ON YOUR PHONE WHEN, YOUR MOM TEXTED YOU. READ THE STRING OF TEXTS:
MOM: Hi honey! On the counter, I have put a list for you to do. But, keep in mind that one step is missing. This list might not be what you think, but, remember to trust your gut and I have faith that y...
A pentomino is a tile made of five unit squares joined edge to edge. Divide this grid into five pentominoes, each containing the five letters A,B,C,D,E. The regions are not necessarily the same shape.
In text form, the 5x5 grid is:
A C A E B
C B D A C
A D E D B
B A B E C
E D E C D
This puzzl...
Group these words into groups of:
Six
Five
Four
Three
Two
and One.
Then, figure out why this is a 'reverse' pyramid.
