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. (3, 4, 9), (5, 7, 8), (1, 2, 6)
B. (1, 5, 6), (2, 4, 8), (3, 7, 9)
C. (4, 6, 8), (3, 5, 7), (1, 2, 9)
D. (1, 2, 7), (3, 5, 9), (4, 6, 8)

Answer: Option D

Explanation:

1, 2 and 7 are single figures.
3, 5 and 9 contain two dissimilar figures one inside the other.
4, 6 and 8 contain two different figures touching each other.