There are 4 teams. In how many ways 2 semifinals and 1 final can be played.( You should make all the

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23 Feb 2012 team

There are 4 teams. In how many ways 2 semifinals and 1 final can be played.( You should make all the possible cases)

OPtion

1) 3
2) 6
3) 18
4) 12
5) 21
6) 27
7) 30
8) 15
9) 8
10) none of these

Solution

ab/cd (semifinal), ac, ad, bc, bd (final)
similarly others

Correct Option: 4 Best Solution (5)