Subject :IMO Class : Class 6
What is the minimum number of squares that must be shaded so that the line XY becomes the line of symmetry?
A9
B8
C5
DNone of these
shouldn't it be ''None of these'' as the answer should be 6 not 8
Ans 1:
Class : Class 6
can you please explain this answer.
Ans 2:
Class : Class 8