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10th Class Mathematics Coordinate Geometry Question Bank Co-ordinatate Geometry

  • question_answer
    If the equations of three concurrent lines are \[\mathbf{px}+\mathbf{6y}-\mathbf{8}=\mathbf{0},\] \[\mathbf{qx}+\mathbf{5y}-\mathbf{8}=\mathbf{0}\] and \[\mathbf{rx}+\mathbf{4y}-\mathbf{8}=\mathbf{0},\] then the value of p + r is __________

    A) q                                                                     

    B) 2q

    C) 3q                                                                    

    D) 4q

    E) None of these

    Correct Answer: B

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