Bingo Card Information

The simple bingo card.
 
The simple bingo card that we have used for the past 80 years is not as simple as it appears. There are ninety numbers used in the game of bingo and each card that is used to play will only contain 15 of these ninety numbers.
 
Have you ever asked yourself how many different combinations there are, therefore, different bingo cards you can get using these 15 numbers.
It may surprise you to know, that there are more than 550 million, billion, billion. different combinations of bingo cards to choose from.
 
To put this into context . If every person in this country, some 60 million people, played 20 games of bingo every day. We would all need to play bingo every day for11,415 years each in order to use up all the available combinations and the bingo cards start to repea themselves.