Madhya Pradesh Police Exam Model Paper 4

The pattern followed here is:
Vertical : The topmost figure gets eliminated in the next step and new figure added at the bottom and the whole figure rotates anticlockwise by 90°
Horizontal : The leftmost figure gets eliminated in the next step and new figure added in the right and the whole figure rotates anticlockwise by 90°
The triangle faces upward and downward alternatively in each stepHence, option 3 is the correct answer.