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

  • question_answer
    Which among the following statements is not true?

    A) The square of any odd integer is of the form 4q + 1, for some integer q.

    B) For any odd integer p, \[{{p}^{2}}\]- 1 is divisible by 8.

    C) If p and q are both odd positive integers/ then \[{{p}^{2}}+\text{ }{{q}^{2}}\]is even and divisible by 4.

    D) For any natural number n, \[{{12}^{n}}\]cannot end with the digit 0 or 5.

    E)  None of these

    Correct Answer: C


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