JCECE Engineering JCECE Engineering Solved Paper-2008

  • question_answer
    Negation of ?\[2+3=5\]and\[8<10\]? is

    A) \[2+3\ne 5\]and\[<10\]

    B)  \[2+3=5\]and\[8<10\]

    C)  \[2+3\ne 5\]or\[810\]

    D)  None of these

    Correct Answer: C

    Solution :

    Let\[p:2+3=5,\,\,q:8<10\] \[\therefore \]Given proposition becomes\[p\wedge q\] Its negation is                 \[\tilde{\ }(p\wedge q)=\tilde{\ }p\vee \tilde{\ }q\] \[\therefore \]We have\[2+3\ne 5\]or\[810\]


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