Witches - 3
Kids - 3
1)Witch 1 and Kid 1 take the boat first, Kid 1 gets dropped on the other side,Witch 1 comes back.
2)Kid 2 and Kid 3 take the boat, Kid 2 is dropped, Kid 3 comes back
3)Witch 1 and Witch 2 take the boat, Witch 1 gets dropped.
4)Witch 2 and Kid 2 comes back with the boat, Kid 2 gets dropped off.
5)Witch 2 and witch 3 gets in the boat, they both gets dropped.
6)Kid 1 gets in the boat, either of kid 2 or 3 gets in.
7)A kid gets off and one of the kids comes back to get the last kid.
Here is the answer boss.
Hope I'll be among the winners.
5)Witch 1 and t take the boat