10th Class Mathematics Real Numbers Question Bank Real Number

  • question_answer
    Choose the terminating decimal.

    A)  \[\frac{641}{8000}\]     

    B)  \[\frac{29}{66}\]

    C)  \[\frac{283}{120}\]                              

    D)  \[\frac{617}{81}\]

    Correct Answer: A

    Solution :

    (a): Terminating decimal is one in which its fractional form (in its lowest term) has a denominator which can be expressed as product of only 2 (or its powers) and / or 5 (or its powers). This is satisfied in (a) only as denominator \[={{2}^{3}}\times 1000\text{ }=\text{ }{{2}^{6}}\times {{5}^{3}}\]      


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