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

Answer: Option A

Explanation:

1, 5 and 8 are open figures bisected by a straight line.
4, 6 and 7 are figures having an extended arm.
2, 3 and 9 are closed figures intersected by a line.