2. Sample Papers
  3. 8th Class
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8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-20

  • question_answer
    If \[U=\{1,\,\,3,\,\,5,\,\,7,\,\,9,\,\,a,\,\,b,\,\,c,\,\,d\}\] and \[A=\{1,\,\,3,\,\,5\}\]and\[B=\{a,\,\,b,\,\,c\}\] then\[(A\cup B)'\]=________.

    A)  \[\{1,\,\,3,\,\,5,\,\,a,\,\,b,\,\,c\}\] 

    B)  \[1,\,\,3,\,\,5\]

    C)  \[\{a,\,\,b,\,\,c\}\]                      

    D)  \[\{7,\,\,9,\,\,d\}\]

    E)  None of these

    Correct Answer: D

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