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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-16

  • question_answer
    In the figure given below, find \[\angle QSR\]

    A)  \[50{}^\circ \]             

    B)  \[65{}^\circ \]

    C)  \[70{}^\circ \]             

    D)  \[75{}^\circ \]

    Correct Answer: B

    Solution :

    Quadrilateral PQOR is cyclic. \[\therefore \]\[\angle QOR=180{}^\circ -\angle RPQ\]   \[=180{}^\circ -50{}^\circ =130{}^\circ \] Now,\[\angle QOR=2\,\,\angle QSR\] \[\therefore \]\[\angle QSR=\frac{130{}^\circ }{2}=65{}^\circ \]


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