Correct Answer:

Solution : According to the given figure series, in every alternate box, the geometrical figures/ numbers/ letters shift their position following the below pattern –
1. From Box 1 to Box 2 – Top left→Bottom right→Centre of the box→Top left; Bottom left and the top right letters remain fixed at their position.

2. From Box 2 to Box 3 – Top right→Bottom left→Centre of the box→Top right; Bottom right and the top left letters remain fixed at their position.

So, following the above pattern, the required figure will be –

Hence, the fourth option is correct.