Domino

The board contains 27 dominoes from a double-six set. By systematically identifying all dominoes present, the 0-6 domino is found to be absent, thus it is the e...

After reading the pip values across the board, the 3-5 pairing does not appear among the dominoes I could identify, so it is the most likely excluded domino. Th...

A full double-six set contains 28 unique dominoes. By exhaustively counting the appearance of each pip value (0 through 6) among the visible dominoes, the value...

I compared the pips on all 27 dominoes against every combination in a double-six set. All combinations appear except the double-four, which is absent from the b...

I checked the dominoes shown against the double-six set. The 2-4 domino does not appear on the board, so it is the missing one.

The board contains 27 dominoes. Checking every combination 0-0 through 6-6 systematically, all pairs appear once except 6-6 which never appears, so it must be t...