A set of football matches is to be organized in a "round-robin" fashion, i.e., every participating team plays a match against every other team once and only once.
If 78 matches are totally played, how many teams participated?
Add your solution....12
total number of teams are 13
A chess tournament was organized in a round-robin format. Each player had to play the other participants in the tournament once. At the end of the tournament it was seen that a total of 120 matches were played. How many players participated in the tournament?
In the opening ceremony of the 2014 FIFA World Cup Brazil, all football teams who participates gathered together. The team captain of each team was handshaking with one another to promote their new act for world peace which was called "A Handshake for Peace!". Each team captain is as polite as the other. How many teams are there if there were a total of 595 handshakes?
It’s midnight and there is power failure. You have twenty two green socks and thirty five purple socks in your dresser drawer. How many socks do you have to take out to be sure of having a pair that matches.