Find the question mark ? figure from answer figure.

From first figure to second figure to the left of sign (::), one leaflet is deleted and one line segment is added in each of the leaflets.

From first figure to second figure to the left of sign (::), the left design is placed above the right design while the middle design is placed at the bottom position.

The shaded designs become white and the white design becomes shaded. Again the three smaller designs i.e., circle, square and hexagon move anticlock-wise along the side of the triangle. The square also rotates through 45°.

From first figure to second figure the design is inverted.

In fig, A trianlge and arrow have come together but not intermingled. Similarly the circle of fig. c and arrow will be together and not intermingle.

From first figure to second figure the design rotates through 180° and three circles are added at its ends.

From first figure to second figure the middle design becomes shaded, the left design moves to the bottom after being rotated through 90° clockwise and the right design moves to the top after being rotated through 90° anticlockwise.

From the first figure to the second figure the middle design rotates through 90° and moves to the extreme right position after being reduced in size and the lower most design encloses the inverted and reduced upper most design.

All figures of class A are closed while figures of class B are open from one side.

Figures 2 and 4 are identical.