Arrange the children in the form of a regular hexagon, with 5 children on each side. There are six vertices common to the adjacent sides, i.e. the child at the end of each row is also the end of the adjacent row.
The total number of children required = 5*6-6 = 24.
can u arrange 24 children in 6 rows comprising 5 show it?
2 answers
4 in each row