$$A+ B$$ means ‘A is the sister of B’. $$A\times B$$ means ‘A is the father of B’: $$A\div B$$ means ‘A is the brother of B’: Which of the following expressions means 'H is the grandson of P'?
In the diagram, Circle shows the female, square shows the male, vertical lines show the generation, single horizontal line shows the brother/sister and double horizontal lines show the couple. From the option D,
So, 'H is the grandson of P'. $$\therefore$$ The correct answer is option D.