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

Answer: Option C

Explanation:

1, 3 and 6 contain one complete circle each.
2, 5 and 7 contain a semi-circle each.
4, 8 and 9 contain a triangle each.