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8th Class Mathematics Related to Competitive Exam Question Bank Mathematical Operations

  • question_answer
    In the following questions which one of the four interchanges in signs and numbers would make the given equation correct?                                \[\div \]                                    

    A)  \[+\]and\[\div \], 2 and 3      

    B)  \[\times \]and\[\div \], 2 and 4      

    C)  \[-\]and\[\div \], 3 and 4    

    D) No interchanges, 3 and 4

    Correct Answer: A

    Solution :

        On interchanging + and \[\phi \] and 2 and 3, we get the equations as \[\Rightarrow \] or \[\Delta \]or \[p\Delta q\]which is true.


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