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8th Class Mathematics Squares and Square Roots Question Bank Squares and Square Roots

  • question_answer
    Square root of \[\frac{0.081}{0.0064}\times \frac{0.484}{6.25}\times \frac{2.5}{12.1}\] is_____.

    A)  0.45               

    B)  0.75   

    C)         0.95   

    D)         0.99               

    Correct Answer: A

    Solution :

    \[\sqrt{\frac{0.081}{0.0064}\times \frac{0.484}{6.25}\times \frac{2.5}{12.1}}=\sqrt{\frac{81}{64}\times \frac{484}{625}\times \frac{25}{121}}\] \[=\frac{9}{8}\times \frac{22}{25}\times \frac{5}{11}=0.45\]


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