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

  • question_answer
    The fixed (or constant) expense for the party is

    A) Rs 50

    B) Rs 80

    C) Rs 90

    D) Rs 100

    Correct Answer: A

    Solution :

    Put y = 80 in Eq. (i)
    x + 5(80) = 450
    x=450-400
    x=50
     


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