1.   Choose the red shape.
    A. B.
    C. D.
    Hint

  2.   Which shape does not belong?
   
    A. B.
    C. D.
    Hint

  3.   Which shape does not belong?
   
    A. B.
    C. D.
    Hint

  4.   Which colors and shapes match the picture shown below?
   
    A. B.
    C. D.
    Hint