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

  • question_answer
    In which of the following is a irrational number?

    A) \[\frac{22}{7}\]

    B) 3.1416

    C) \[3.\overline{1416}\]

    D) 3.141441444...

    Correct Answer: D

    Solution :

    [a] \[\frac{22}{7}=3.14285714285...=3.\overline{14285}\]
    [b] 3.1416 is not irrational number, because it is terminating decimal number.
    [c] 3.1416 is not irrational number, because it is non-terminating repeating decimal number.
    which is not irrational number.
    [d] 3.141441444 ... is an irrational number, because it is non-terminating repeating decimal number.
     


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