In the given figure, PQRS is a cyclic trapezium in which \[{{90}^{o}}\]If\[{{42}^{o}}\]. Find\[{{48}^{o}}\].

• A.  \[{{38}^{o}}\]                  
• B.  \[PQ||SR.\]                                
• C. Data not sufficient    
• D. None of these