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

Answer: Option B

Explanation:

(1, 4), (2, 7), (3, 5) and (6, 8) are a group of identical figures.