A + B means A is the father of B.

A × B means A is the brother of B.

A ÷ B means A is brother of B.

Which of following means D is the paternal grandson of A ?

A + B + C ÷ D × E 

Explanation:

Note:

↑ or ↓ ⇒ Upward or downward line shown "generation gap" .

   =    ⇒ Double lines shown "relation b/w Husband & Wife"

   —   ⇒ single line shown "relation between them other than Husband & Wife".