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  5. Pair of Linear Equations in Two Variables

10th Class Mathematics Pair of Linear Equations in Two Variables Question Bank Linear Equation in two Variables

  • question_answer
    The value of 'K' for which the system of equations \[x+2y-3=0\] and \[6x+Ky+7=0\]has no solution, is

    A)  12      

    B)  15            

    C)  8                                

    D)  13

    Correct Answer: A

    Solution :

    (a): \[\frac{1}{6}=\frac{2}{K}\ne \frac{-3}{7}\]; \[K=12\], also \[K\ne \frac{14}{3}\]                     


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