In how many ways tickets can be divided into
groups such that all contain
tickets to each.
The given information is:
Number of tickets
Number of teams
Number of tickets to each group
Pick first tickets from
tickets,
Total no. of ways of choosing is:
Pick last tickets from
tickets are and the number of ways this can be done is
.
Since the two groups are similar, there is no differentiation between them. Therefore, we need to divide it with .
The total numbers of ways:
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