Group the given figures into three classes using each figure only once.
A.
1,4,7 ; 3,6,9 ; 2,5,8
B.
1,6,9 ; 2,4,7 ; 3,5,8
C.
1,4,7 ; 2,6,9 ; 3,5,8
D.
1,5,7 ; 2,6,9 ; 3,4,8
Correct answer is C
3, 5, 8 have similar designs (four leaves placed close to a small circle and forming a symmetrical design at the centre of the figure).
2, 6, 9 have similar designs (three of the corners of the main figure are shaded black and there is a pattern formed around a '+' sign at the centre of the figure).
1, 4, 7 have similar designs (there are four small circles at(the corners of the main figure and there is a wheel shaped element at the centre of the figure).