In the grids shown and mentioned below you must select 2 squares in the 2X2 grid, 3 squares in the 3X3 grid etc.
RulesYou must select the squares so that no two squares are in the same row or column. Find as many ways as possible to do this for each grid.
e.g.
This investigation came from The Maths' Connection published by Family Maths Trust
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