Can someone explain me the logic behind this? I think it is hard.
The question is: What comes next in the pattern? (out of the 5 possibilities)
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As far as I can tell, the answer is
The pattern is alternatively swapping the leftmost two tiles and the rightmost two tiles:
To get the sixth configuration, we need to swap the leftmost two tiles again:
Giving us answer E.
Additionally, the sequence cycles after this, so if we swap the rightmost two tiles again, we end up at the starting configuration:
I liked this IQ puzzle, because I was stuck on thinking the tiles were inverted in some steps for a while, leading me on a search for complicated patterns, while it was a fairly simple pattern after all. Nice trick question :P
I think the answer is:
We can think of shapes as numbers.
Let's assume that ascending line is 1, descending line is -1 and no line is 0.
Here we go:
1 -1 0
-1 1 0
-1 0 1
0 -1 1
0 1 -1
The third column pattern is xx yy zz, so we need -1 to complete it.
The second column pattern is xyz xyz, we need 0 here.
The first column pattern is again xx yy zz, and we need 1 to complete the column.
Thus we get "1 0 -1".
So the answer is:
Yet another possible explanation for the answer being
View the tiles individually, and look at how they move. Both tiles can be seen as repeating the same pattern: 1,2,3, 3,2,1
If you continue this pattern, the next configuration is E, then it loops back around to the first picture.
I think it's:
I think the steps from first to second are: turning the whole thing 180 degrees and then moving the blocks one to the left (the block on the left moves around and becomes the block on the right). The steps from second to third are in reverse order, first move the blocks one to the left and then turn the whole thing 180 degrees. Then the steps from third to fourth are the same as from first to second and so on. It's an alternating pattern. If you use the same pattern on the second one as you did one the first one, you would get the first on again.