Bingo card of Bingo a winning card may be the first person to complete row #3. Because the "N" column contains a free space, the maximum number of cards that guarantee a unique winner is (15*15*15*15) = 50,625. Because the players need to only focus on row #3, the remaining numbers in rows #1, #2, #4, and #5 are statistically insignificant for purposes of game play and can be selected in any manner as long as no number is duplicated on any card. Perhaps the most common pattern set, known as "Straight-line Bingo" is completing any of the five rows, columns, or
Bingo (United Kingdom) the first modern version of the game appearing at carnivals and fairs in the 1920s, and is attributed to a Hugh J. Ward, who for marketing reasons most probably took the name from pre-existing slang. The patent for a modern Bingo card design went to Erwin S. Lowe in 1942. A typical bingo ticket is shown to the right. It contains 27 spaces, arranged in nine columns by three rows. Each row contains five numbers and four blank spaces. Each column contains up to three numbers, which are arranged as follows, with some variation depending on bingo companies and/or where