Question : The value of $\frac{4-\sqrt {0.04}}{4+ \sqrt {0.4}}$ is close to:
Option 1: 0.04
Option 2: 0.8
Option 3: 1
Option 4: 1.4
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Correct Answer: 0.8
Solution :
We have,
$\frac{4 - \sqrt {0.04}}{4+ \sqrt {0.4}}$
$=\frac{4 - \sqrt {0.04}}{4+ \sqrt {0.4}}$
$= \frac{4 - 0.2}{4+ 0.632}$
$=\frac{3.8}{4.632}$
$=0.8206 \approx 0.8$
Hence, the correct answer is 0.8
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