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9th Class Mathematics Number System and its Operations Question Bank Number System

  • question_answer
    If \[\sqrt{\mathbf{18225}}=\mathbf{135}\], then the value of \[\sqrt{182.25}+\sqrt{1.8225}+\sqrt{0.018225}+\sqrt{0.00018225}\] is

    A)  1.49985                       

    B)  14.9985      

    C)  149.985           

    D)  1499.85

    Correct Answer: B

    Solution :

    (b): \[\sqrt{182.25}+\sqrt{1.8225}+\sqrt{0.018225}+\sqrt{0.00018225}\] \[\Rightarrow 13.5+1.35+0.135+0.0135\]\[\Rightarrow 14.9985\]


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