10th Class Mathematics Real Numbers Question Bank Real Numbers

  • question_answer
    'p' is the remainder obtained when a perfect square is divided by 3.What is the value of 'p'?

    A)  1

    B)  0

    C)  Either [a] or [b].

    D)  Neither [a] nor [b].

    Correct Answer: C

    Solution :

     The square of a positive integer 'm' is of the form 3m or 3m + 1 (for some 'm'). Hence, the remainder obtained when a perfect square is divided by 3 is either 0 or 1.


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