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

  • question_answer
    It is given that \[:>\] denotes \[+,\,\,<\] denotes \[-,\,\,+\] denotes \[\div ,\,-\]denotes \[=,\,\,=\]denotes 'less than' and \[\times \] denotes 'greater than', find which of the following is a correct statement:

    A)  \[3+2>4=9+3<1\]

    B)  \[3>2>4=18+3<2\]

    C)  \[3>2<4\times 8+4<2\]

    D)  \[3+2<4\times 9+3<3\]

    Correct Answer: C

    Solution :

        Using proper notations, we have: given statement is \[3\div 2+4<9\div 3-1\] or  \[\frac{11}{2}<2,\]which is False. given statement is \[3+2+4<18\div 3-2\] or \[9<4,\]which is False. given statement is \[3+2-4>8\div 4-2\] or \[1>0,\]which is true. given statement is \[3\div 2-4>9\div 3-3\] or \[-\frac{5}{2}>0,\] which is False. So, the statement is true. (c) is true.


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