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11th Class Mathematics Sample Paper Maths Olympiad Model Paper-5

  • question_answer
    Let \[0<P\left( A \right)<1,\] \[0<P\left( B \right)<1\] and \[P(A\bigcup B)=P\left( A \right)+P\left( B \right)-P\left( A \right).P\left( B \right),\] then

    A)  \[P\,\,\left( B/A \right)=P\left( B \right)-P\left( A \right)\]

    B)  \[P\,\,\left( A'-B' \right)=P\,\,\left( A' \right)-P\,\,\left( B' \right)\]

    C)  \[P\,(A\bigcup B)'=P\,\,(A')\,\,P\,\,(B')\]

    D)  \[P\,\,\left( A/B \right)=P\,\,\left( A \right)-P\,\,\left( B \right)\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available


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