The worst case will occur when 5 teams have the same number of wins.
As only 4 can qualify, one team with the same number of points will
not be able to qualify.

<Team.> <Wins>
1. 11
2. 11
3. 11
4. 11
5. 11
6. 1
7. 0
8. 0

In this scenario, a team with 11 points will not be able to qualify.
So, to ensure that it is in the finals a team should win 12 matches.

On May 27, 6:06 pm, Rishabh Maurya <poofiefoo...@gmail.com> wrote:
> suppose bottom 4 teams have won least matches  and upper 4 teams have won
> equal number of matches  ...
>
> 1 -> x
> 2 -> x
> 3 -> x
> 4 -> x
>
> 5 -> 6
> 6 -> 4
> 7 -> 2
> 8 -> 0
>
> total matches are 56
> and let upper four teams have won x matches each
>
> so x = (56-(6+4+2+0))/4
>  x = 11
>
> so in this way to ensure qualification to semi finals team must win 11
> matches  ...

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