Row 1
Answer: e
- Explanation:
Observe the lines that appear in each cell, they follow the continuous movement of the points clockwise in a closed loop. In the last cell to be completed, the point will continue to follow the rule and combine with the dot in the lower right corner.

Row 2
Answer: c
- Explanation:
In each column, the inner shape changes size, combined with the change in position of the small circle. In the cell to be filled, the large triangle will appear in the upper right position, the small circle is located on the lower left.

Row 3
Answer: a
- Explanation:
The rule here is that the stripes and the overlapping triangles change alternately. In the last position, the stripe appears above, the black triangle facing down to the left.

Row 4
Answer: b
- Explanation:
The cells on the grid are filled according to the alternating black-white rule. In the required cell, we choose the cell with a small white square in the upper right corner and a white background on the other side.

Row 5
Answer: d
- Explanation:
The black - white and purple triangle pieces move in turn to combine with each other to form balanced shapes. In the last cell, the purple part occupies the upper right corner.