They each play 16 unless a team makes the playoffs.
India will play 16 test matches in 2012.
Every team will play 14 matches
A team played at least 14 matches in IPL 4.If they qualify for the play offs,then if they will play about 15-17 matches.
Each club plays 38 matches in one season but all the clubs altogether in one season play 380 matches
5 - They have to play everyother member country.
13 matches each
20 teams play 38 games each season
Because if each team plays 2 matches with each team in the IPL,then each team will play 18 matches and then there will be about 95 matches in IPL and the format would have been very long.So,a team plays 2 league matches with only 5 teams and 1 match with 4 teams.