10th Class Mathematics Real Numbers Question Bank Assertion And Reason (MCQs) - Real Numbers

  • question_answer
    Assertion (A): 2 is a rational number.
    Reason (R): The square roots of all positive integers are irrationals.                      

    A) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A)

    B) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A)

    C) Assertion (A) is true but reason (R) is false

    D) Assertion (A) is false but reason (R) is true

    Correct Answer: C

    Solution :

    Sol.  [c] Here, reason is not true. \[\sqrt{4}=\pm 2,\] which is not an irrational number.


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