Three of the following four figure pairs are alike in a certain way and thus form a group. Which is the one that does not belong to that group?

In option A, C, and D — Left upper figure rotates $$90\degree$$ anti clock wise and lower left figure rotates $$90\degree$$​ clock wise to get the Right middle figure.

but Option B  is not follow this pattern.  So, Option B is indeed the odd one out

Thus, the correct option is: (b)