2. Questions Bank
  3. 6th Class
  4. Mathematics
  5. Knowing our Numbers

6th Class Mathematics Knowing our Numbers Question Bank Number system and its Operations

  • question_answer
    The number, for which the sum of all its factors is equal to twice the number, is Called 3

    A) Super number

    B) Super prime number

    C) Perfect number

    D) Perfect prime number

    E) None of these

    Correct Answer: C

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