Grouping of Images Questions

1,3,9 have one element placed inside a different element.

2,5,6 contain two mutually perpendicular lines dividing the figure into four parts.

4,7,8 have two similar elements (unequal in size) attached to each other.

1, 2, 5 are figures that have patterns formed from four lines curved in a concave direction.
3, 7, 8 are figures that have patterns formed from four lines curved in a convex direction.
4, 6, 9 are figures that have patterns formed from these straight lines.

1,5,7 contain a rectangle with its two diagonals as the outer element and another element (similar or different) placed inside it.

2,6,9 contain a triangle with its three medians as the outer element and another element (similar or different) placed inside it.

3,4,8 contain a circle with its two mutually perpendicular diameters as the outer element and another element (similar or different) placed inside it.

3, 5, 8 have similar designs (four leaves placed close to a small circle and forming a symmetrical design at the centre of the figure).
2, 6, 9 have similar designs (three of the corners of the main figure are shaded black and there is a pattern formed around a ‘+’ sign at the centre of the figure).
1, 4, 7 have similar designs (there are four small circles at(the corners of the main figure and there is a wheel shaped element at the centre of the figure).

1,6,9 are figures which are half shaded by slanting lines.

2,4,7 are all divided into equal parts (either 3 or four parts) by straight lines and also have a black circle at the centre.

3,5,8 have similar designs and have their four corners shaded black.

5,8,9 are objects having both base as well as upper lid. 

2,3,6 are objects having base but not upper lid. 

1,4,7 are objects which have neither a base nor an upper lid attached to them.