A * B means A is the sister of B

A ÷ B means A is the brother of B

A + B means A is the father of B

A – B means A is the mother of B

What is relation between Q and S. If  ‘P + Q ÷ R – S’ ?

Q is the uncle of S

Note:

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

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

   —   ⇒ single line shown "relation in same generation other than Husband & Wife".

   +   ⇒ Plus sign shown " Male".

   -   ⇒ Plus sign shown " Female".

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Q is the Uncle of S.

So, correct answer is option (2).