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  5. Pair of Linear Equations in Two Variables

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

  • question_answer
    If answer to all questions he attempted by guessing were wrong and answered 80 correctly, then how many marks he got?

    A) 40

    B) 80

    C) 75

    D) 70

    Correct Answer: D

    Solution :

    In out of 120 questions attempted 80 answered are correct and 40 guessing answered are wrong. Then, he got the marks
                \[=80-\frac{1}{4}\] of  \[40=80-\frac{1}{4}\times 40\]
                = 80 - 10 = 70
     


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