Group the given figures into three classes using each figure only once.

Group the given figures into three classes using each figure only once.

A.

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

B.

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

C.

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

D.

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

Correct answer is A

1, 6, 9 are figures which are half shaded by slanting lines.

2, 4, 7 are all divided into equal parts (either three or four parts) by straight lines and also have a black circle at the centre.

3, 5, 8 have similar designs and have their four corners shaded black.