Posted by **Selina** on Wednesday, August 24, 2005 at 5:53pm.

There are 5 rows - there are 4 items in each row - there are NO more than 10 items

Any idea how this can be solved?

Draw a 5 pointed star connecting all the vertices.

Place one item at each vertex and one item at the intersection of the lines joining the vertices.

Thus, 10 items in 5 rows with 4 items in each row.

13

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