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

Answer: Option D

Explanation:

1 and 3 contain a V-shaped figure inside another figure.
2, 4 and 5 contain one figure placed inside a similar figure.
6 and 7 are divided into four equal parts by mutually perpendicular lines.