7th Class Mathematics Number System and its Operations Question Bank Number System and Operations

  • question_answer If \[\mathbf{m}\text{ }+\text{ }\mathbf{1}\] and \[\mathbf{n}\text{ }-\text{ }\mathbf{1}\] are integers then which of the following may not be an integer?

    A) \[\left( m+n \right)~\]

    B) \[\left( m\text{ }+\text{ }5 \right)\text{ }-\text{ }\left( n\text{ }+\text{ }2 \right)\]

    C) \[\left( m-3 \right)\,\,\div \,\,\left( n+4 \right)~\]

    D) \[\left( m\text{ }+\text{ }2 \right)\times \left( n\text{ }-\text{ }3 \right)\]

    E) None of these

    Correct Answer: C


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