question_answer

Direction: In each of the following questions, group the given figures into three classes using each figure only once.

A) 2, 4, 6; 3, 7, 9; 1, 5, 8                    

B) 1, 4, 8; 2, 3, 6; 5, 7, 9

C) 1, 3, 8; 2, 6, 7; 4, 5, 9                    

D) 2, 4, 6; 1, 3, 7; 5, 8, 9