56 different arrangements are possible for the evening
Selections and combinations are synonyms. Combinations represent the choice of items from a predetermined group of items. We're not trying to arrange anything here. We're going to pick them. Out of a set of n objects, we count the number of unique r-selections or combinations. It is given by the formula ⁿCr. Utilizing the combinations formula, it is simple to determine how many distinct groups of r objects each may be created from the provided n unique objects.
Required numbers = 5
Numbers available = 8
The number of arrangements possible:
⁸C₅ = 56
Learn more about permutations and combinations:
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