Tambola is an interesting game which is played by numbers(between 1-90) being called out and players crossing out the numbers on the ticket. Prizes are won on particular patterns.
Facts about the ticket:
There are 3 rows and 9 columns in every Tambola Ticket
There are total 90 (1-90) numbers in Tambola
There are 3 rows and 9 columns in every Tambola Ticket
Every ticket has exactly 15 numbers
Every row contains 5 numbers
A column may have 1, 2 or 3 numbers. (There should be at least 1 number in every column)
The numbers in a column are always ascending in order from top to bottom.
A Ticket cannot have same number more than once
Column 1 on any ticket has numbers between 1-9
Column 2 on any ticket has numbers between 10-19
Column 3 on any ticket has numbers between 20-29
Column 4 on any ticket has numbers between 30-39
Column 5 on any ticket has numbers between 40-49
Column 6 on any ticket has numbers between 50-59
Column 7 on any ticket has numbers between 60-69
Column 8 on any ticket has numbers between 70-79
Column 9 on any ticket has numbers between 80-90
So...What are the maximum number of tickets that can be generated???