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9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-1

  • question_answer
    Which one of the following system of linear equations has unique solution?

    A)  \[x-2y+14=0\,\,\,and\,\,\,3x-6y+42=0\]

    B)  \[x-2y+14=0\,\,\,and\,\,\,3x-4y+42=0\]

    C)  \[x-2y+14=0\,\,\,and\,\,\,x-2y+18=0\]

    D)  \[x-2y+14=0\,\,\,and\,\,\,4x-8y+52=0\]

    E)  None of these

    Correct Answer: B

    Solution :

     Not Available


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