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  3. 7th Class
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  5. Related to Competitive Exam

7th Class Mathematics Related to Competitive Exam Question Bank Applied Mathematics

  • question_answer
    If a set S has 511 proper subsets. Find its cardinal number.

    A) 512

    B) 256

    C)  10       

    D)  9

    E)  None of these

    Correct Answer: D

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