$$A + B$$ means ‘A is the mother of B’;
$$A - B$$ means 'A is the husband of B';
$$A \times B$$ means 'A is son of B';
$$A \div B$$ means ‘A is the daughter of B’.
If, $$W \times Z + Y \div X$$,then howis X related to Z?
In the diagram, square shows the males, circle shows the females, vertical lines shows the generation, single horizontal lines shows the brother/sister and double horizontal lines shows the couples.
From the diagram,
X is the husband of Z.
$$\therefore$$ The correct answer is option D.
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