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  3. 10th Class
  4. Mathematics
  5. Number System and its Operations

10th Class Mathematics Number System and its Operations Question Bank Number System

  • question_answer
    If \[\mathbf{P=}\sqrt{\mathbf{n-1}}\mathbf{+}\sqrt{\mathbf{n+1}}\] where n is a positive integer then the value of P is

    A) a rational number          

    B) not a rational number

    C) an integer                   

    D)  a natural number

    E) None of these

    Correct Answer: B

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