A series is established, if one of the four figures is placed in place of the sign "?" in the problem figure and that figure is your answer.

The correct answer is Option (4) → 

• The sequence shows a systematic rearrangement of the letters P, S, D, Z (and T) across successive boxes.

• From left to right, the letters shift positions in a fixed order, maintaining the same set while changing their placement.

• When this positional pattern is applied to the missing box ( ? ), only Option 4 fits the required arrangement.