Pick the figure from the options that best continues the given figure series.

Answer & explanation
Correct answer: option 2
The correct answer is Option (2) →
From each figure to the next, the small triangle moves two places clockwise round the edge of the box each time. So the next figure has the small triangle at the middle of the bottom side.

Why the other options are incorrect
Option (1) — Incorrect. The small triangle has moved two places anticlockwise instead of clockwise.
Option (3) — Incorrect. The small triangle has moved one place instead of two places.
Option (4) — Incorrect. The small triangle has not moved at all since the last figure.