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7th Class Mathematics Integers Question Bank Number System

  • question_answer
    The real numbers are either rational or irrational. The irrational numbers are the numbers which are non-terminating and non-repeating. Identify the numbers given below as non-terminating and non-repeating.

    A)  \[\frac{1}{\sqrt{3}}\]    

    B)  \[\frac{4}{5}\]

    C)  \[\frac{5}{2}\]                         

    D)  \[\frac{\sqrt{36}}{3}\]

    Correct Answer: A

    Solution :

    (a): Irreducible square root is an indication of irrational no. Here \[\sqrt{3}\] cannot be further reduced whereas \[\sqrt{36}\] can be reduced as \[\sqrt{6\times 6}=6.\]       


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