Find the relation between A and B: A+C*D-B X + Y means X is the mother of Y. X - Y means X is the sister of Y. X * Y means X is the father of Y. X & Y means X is the brother of Y.

Mother

Sister

Grandmother

Daughter

A is mother of C. C is father of D i.e A is Grandmother of D. Now D is sister of B. Therefore A is Grand mother of B also.

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