If A × B means that A is the father of B, A - B means that A is the mother of B, A ÷ B means that A is the brother of B then which of the following expression shows that P is the paternal uncle of R ?

P ÷ Q × R

Checking from the opitons, we get the relation from option (i):

*********************************************************

Please note:

  l   ⇒ Vertical line shown "generation gap".

 =  ⇒ Double lines shown "relation of spouse" 

—  ⇒ Horizontal line shown "relation in same generation other than spouse".

     ⇒ Rectangular box shown " Male".

     ⇒ Circular box shown " Female".

*********************************************************