There are 9 cards. 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.

• Y R G
  B B G
  Y G Y
• 13 years agoHelpfull: Yes(5) No(2)
• yrg
  bbg
  ygy
• 13 years agoHelpfull: Yes(3) No(1)
• Y R G
  B B G
  Y G Y
• 13 years agoHelpfull: Yes(2) No(1)