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.
At least one green card in each row.

• First row: (Y, R, G)
  Second row: (B, B, G)
  Third row: (Y, G, Y)
• 14 years agoHelpfull: Yes(10) No(0)