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

  • question_answer
    If \[\frac{\sqrt{0.2304}+\sqrt{0.1764}}{\sqrt{0.2304}-\sqrt{0.1764}}=x\], then the value of x is _____.

    A)  0.8                             

    B)  15                  

    C)  12.5   

    D)         0.16   

    Correct Answer: B

    Solution :

    We have \[\frac{\sqrt{0.2304}+\sqrt{0.1764}}{\sqrt{0.2304}-\sqrt{0.1764}}=x\] \[\Rightarrow \frac{0.48+0.42}{0.48-0.42}=x\Rightarrow \frac{0.9}{0.06}=x\Rightarrow x=15\]


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