6 game periods
4
There are three 20 minute periods in a regulation NHL game.
42
Three
A Basketball game has four quarters.
There are four referees in a baseball game.
There are two periods played in a whole game of college basketball. Both periods are 20 minutes long. But with timeouts and fouls called during the game, the game goes on longer.
It varies from game to game...
There are three 20 minute periods with two 10 minute intermissions between the 1st and 2nd, and 2nd and 3rd periods.
27 outs in a baseball game unless it goes into extra inning.
162