1. 

Group the given figures into different classes on the basis of their orientation, shape etc.

grouping-of-figures-non-verbal-reasoning-introduction---grouping-of-figures-problems
A. (1, 4, 7), (3, 6, 9), (2, 5, 8)
B. (1, 4, 7), (2, 6, 9), (3, 5, 8)
C. (1, 6, 9), (2, 4, 7), (3, 5, 8)
D. (1, 5, 7), (2, 6, 9), (3, 4, 8)

Answer: Option B

Explanation:

1, 4 and 7 form a group of figures containing a square in which one smaller circle is present at each corner and one larger circle is present at centre.
2, 6 and 9 form a group of figures which contain three shaded triangles at the corners and four similar design at the centre of the figure.
3, 5 and 8 form a group of figures in which the curved portion of the figure contains certain design.