alleryChoosing a 2 player team from X, Y and Z gives how many possible teams?
ASeven teams
BEight teams
CTwelve teams
DThree teams
Answer & Solution
Correct answer: D. Three teams
1. The team of X and Y is the same as the team of Y and X.
2. Here, order is not important, so this is a combination.
3. There are only 3 possible ways in which the team could be constructed.
4. They are XY, YZ and ZX.
_Source: syllabus Mathematics, Ch 6 'Permutations and Combinations'_
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