The famous game of chance as well as strategy of bingo is played by using game cards which are widely call as bingo cards. The cards have pre printed numbers or entirely blank. They are made up of paper or disposal material that is good for recycling. Bingo card will be not valid once the game is finished and is thrown out. In fact, some organizers use different types of bingo cards. A player who plays more than one time may use these bingo cards. Typically they are made up of plastic of hard card board. It is due to the material use is difficult and a player has only to keep tab of numbers that are played with removable tabs. This reduces the costs for organizers in a long term because game cards can be used now. For every game, each player will have one game card that contains 5×5 grids which has total 25 squares.
Each square is assigned with a number but except middle square will be imprinted by ‘bingo’ or ‘free’. It indicates that free number is like a bonus to a player which can be utilized for any number that has been spelled out. Usually, first column from right of the game card is assigned with a letter ‘B’ and has 5 numbers ranging from 1 to 15. The remaining 4 columns assigned with letters, ‘I’, ‘N’, ‘G’, ‘O’. Second columns will has 5 numbers ranges from 16-30. The sequence continues for all remaining 3 columns up to the final column has 5 numbers in a range 61-75.