Visual IQ puzzle (MENSA Norway, difficulty 1)
Correct answer: A
Explanation: There are repetitions along the diagonals. Consider the diagonals from top-left to bottom-right. The same shape gets repeated along each diagonal. The first and fourth diagonal starting from bottom-left have squares, the second and fifth diagonals have triangles, the third diagonal has circles. Now consider the diagonals from top-right to bottom-left. The line in the middle of the image is tilted at the same angle.