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7th Class Mathematics Related to Competitive Exam Question Bank Mathematical Operations

  • question_answer
    If\[\times \]stands for 'addition',\[<\]for 'subs traction',\[+\]stands for 'division', \[>\]for 'multiplication', \[-,\]stands for 'equal to',\[\div \]for 'greater than' and = stands for 'less than', state which of the following is true?

    A) \[3\times 2<4\div 16>2+4\]

    B)  \[5>2+2=10<4\times 2\]

    C)  \[3\times 4>2-9+3<3\]

    D) \[5\times 3<7\div 8+4\times 1\]

    Correct Answer: B

    Solution :

        Using the proper notations in (b), we get the statement as \[5\times 2\div 2<10-4+2\] or \[5<8,\] which is true.


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