There are many different combinations of 3 different players (player a, player b, player c,; player a, player b, player d,; player a, player b, player e,; etc.) that could be in any given group. The question needs clarification.
There are 5C3 = 10 groups.
two
if order does not matter then, (23x22x21x20x19)/(5x4x3x2x1) = 33,649
In a group of 11 people divided into three groups, the number of people in each group can vary depending on the distribution. For example, one possible distribution could be three groups of 3, 4, and 4 people. However, without specific criteria for how the groups should be formed, there are multiple ways to arrange the 11 individuals across the three groups.
84 = 9 choose 3 = 9! / 3! / (9-3)!
Two
17
as many as they want
5005
Fifty-three players.
The team is out when three players are out.
It has three main groups.
There are 5C3 = 10 groups.
Three
fifty three
There are three main groups: Igneous, Sedimentary, and Metamorphic.
Two to three.