A + B means A is the mother of B. 

A – B means A is brother of B.

A × B means A is father of B.  

A ÷ B means A is daughter of B.

If P – Q × R – S ÷ T + U, then which of the following statement is not correct ?

S is daughter of P

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".