What is the solution for this puzzle from this IQ test?
While kim123's answer is correct, there is a simpler logic shown by colors:
shapes are moving and morphing. For instance, the red cross begins its journey from the the upper left crossword box to the the (missing) lower left crossword box. Steps forward and transforms (rotates). The same happens for the blue triangle and the other shapes.
The answer is B.
Pictures must be considered consecutively from left to right, from top to bottom.
Each picture is obtained from previous by several transformations:
1. Triangles are changed to crosses. Crosses -> circles. Circles -> triangles.
2. 1-st and 2-nd columns are shifted right (become 2-nd and 3-rd columns).
3. 3-rd column become 1-st column and circle-shifted down (1-st row become 2-nd, 2 -> 3, 3 -> 1).
A simple transformation transforms the patterns in the first column to those in the second and also the patterns in the second column to those in the third.
The three rows are unrelated: each row starts with a new pattern which undergoes the two transformations to get from the first column to the third.
The transformation has been correctly described in previous posts: 1. Move the nine symbols one cell right, wrapping those on the right to the left but one row down and with the bottom right cell going to top left. 2. Change crosses to circles, circles to triangles and triangles to crosses.
If the second row were to continue the first row then the patterns in the second row would simply be those in the first row but with all symbols moved down one row. It would be too simple to spot this pattern and would make the answer trivial.