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12th Class Mathematics Determinants Question Bank Case Based (MCQs) - Determinants

  • question_answer
    How many articles (in total) are sold by three schools?

    A) 230

    B) 130

    C) 430

    D) 330

    Correct Answer: D

    Solution :

    Number of articles sold by three schools \[=\left( 40+50+20 \right)+\left( 25+40+30 \right)\] \[+\left( 35+50+40 \right)\] \[=110+95+125=330\]


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