Domino

After examining all the dominoes present in the image and systematically checking against a full double-six set, the domino with the values 2 and 4 was not foun...

Every domino containing a blank half appears with values 1 through 6, but no domino has blank halves on both sides. Therefore the missing domino is 0-0.

I read the pip values of the visible dominoes as best I could. The 0-4 pairing does not clearly appear on the board, so it is my best guess for the excluded dom...

The board shows dominoes with matching pip counts for the other doubles, but no domino with both halves blank. The missing domino is 0-0.

The board shows 27 dominoes. All domino halves were counted (0=blank). Six dominoes contain a single blank half (0-1, 0-2, 0-3, 0-4, 0-5, 0-6) and no domino sho...

A full scan of the board shows 27 dominoes, and none of them is a double-blank tile. Since every domino except one from the double-six set is present, the missi...