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10th Class Mathematics Pair of Linear Equations in Two Variables Question Bank MCQs - Pair of Linear Equations in Two Variables

  • question_answer
    The pair of linear equations \[\text{3x}+\text{4y}=\text{12}\]and \[\text{y}=\text{4}\] has:

    A) no common solution

    B) infinitely many solutions

    C) unique solution

    D) None of these

    Correct Answer: C

    Solution :

    [c] \[y=4\] is a line parallel to x-axis and \[3x+4y=12\] intersects the x-axis.
    \[\therefore \] It also intersects\[y=4\]. Hence, unique solution.


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