9 cards are there. u have to arrange them in a 3*3 matrix.
cards are of 4 colors.they are red,yellow,blue,green.
conditions for arrangement: one red card must be in first
row or second row.2 green cards should be in 3rd
column.Yellow cards must be in the 3 corners only. Two blue
cards must be in the 2nd row. Atleast one green card in each
row.
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Answer Posted / kaushik
y r g
g b b
y y g
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