Wednesday, February 14, 2018

pattern - Complete the sequence


As the title says it is a compete the sequence.


My thoughts:


From all the circle ones that aren't a circle, you can make a circle by rotating the pieces. From all the triangle ones that aren't a triangle, you can make a triangle by moving one line. But I can't figure out a rule for the square-ish things. (Of course the rules I came up with for the circle and triangle might be wrong.)



Answer



I'll go with:




The top right answer



Why?



There's a triangle, a circle and a 'U' shape. They each appear both 'normal', once with both halves mirrored along a vertical axis, and once with the left side intact and the right rotated 180 degrees.



Based on what's there already:



the three states for triangle and circle, and both the normal and mirrored state of the 'U' shape




what we need is:



left side of the U intact, right side rotated 180 degrees.



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