1.

If PQRS is a parallelogram in which \[\angle SPO=40{}^\circ \], \[\angle OPQ=25{}^\circ \] and \[\angle SOR==75{}^\circ \], then which one of the following is incorrect?

A.  \[\angle QRO=40{}^\circ \]  
B.         \[\angle PQO=80{}^\circ \]
C.  \[\angle PSO=25{}^\circ ~\]
D.         \[\angle RQO=35{}^\circ \]
E.  None of these
Answer» D.         \[\angle RQO=35{}^\circ \]


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