In a coded relation, if A ÷ B means A is the father of B, B - C means B is the sister of C, and C + D means C is the brother of D, what is the relationship of A to D in A ÷ B - C + D?
Answer: B. A is D's father
A ÷ B means A is the father of B, B - C means B is the sister of C, and C + D means C is the brother of D, so A is D's father.