Which of the following sets of numbers have the same H.C.F.? 60 120 135 650 230 180 315 250 450 240 495 P Q R S

• A.  \[Q\]and\[R\]                
• B.                     \[P\]and\[R\]                 
• C.                     \[R\]and\[S\]                 
• D.                     \[P\]and\[Q\]