10th Class Mathematics Real Numbers Question Bank MCQs - Real Number

  • question_answer
    The product of a non-zero rational and an irrational number is

    A) always irrational

    B) always rational

    C) rational or irrational

    D) one

    Correct Answer: A

    Solution :

    Product of a non zero rational and an irrational number is always irrational i.e. \[\frac{3}{4}\times \sqrt{2}=\frac{3\sqrt{2}}{4}\] (irrational).


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