Found 11th Mar 2008
How many squares on this chessboard do not have a rook on them?

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13 Comments

Original Poster

http://www.brainbashers.com/puzzleimages/sqclub6.gif

61 ??

8*8-64-3=61 assuming those pics represent chess "rooks"

125 as there is also the larger square of the board, plus squares made of squares eg 2x2 3x3 4x4 etc

Edit: sorry explained that wrong as I was thinking of an example of just a plain chessboard I did on an enhanced thinking course. But my answer still stands.

65 figures not representing rooks

125 Squares

harlzter;1704458

125 as there is also the larger square of the board, plus squares made of … 125 as there is also the larger square of the board, plus squares made of squares eg 2x2 3x3 4x4 etc



I see what you mean - but the larger square of the board contains the rooks?

111 i reckon.
61 - 1x1's
1 big one
27 - 2x2's
17 - 3x3's
5 - 4x4's

Tintern1981;1704516

I see what you mean - but the larger square of the board contains the … I see what you mean - but the larger square of the board contains the rooks?



in which case 111 - my big one = 110

125 squares, i just counted them!!

Original Poster

Sorry for the delay! I had to retrace my steps through the site I got this from to check it again. The answer is indeed 125.

darn diggidy, i obviously cant count

this reminds me of a crooked accountant i knew, could drag numbers out of no where
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