The value of $\frac{(0.96)^{3}-(0.1)^{3}}{(0.96)^{2}+0.096+(0.1)^{2}}$ is

What is the value of $x$ in the equation $\sqrt{\frac{1+x}{x}}-\sqrt{\frac{x}{1+x}}=\frac{1}{\sqrt{6}} ?$

$48.95 - 32.006 = ?$

Find the value of $\{(49)^{\frac{3}{2}} + (49)^{\frac{3}{2}}\}$

What approximate value will come in place of the question mark $(?)$ in the given question? (You are not expected to calculate the exact value)
$71.98 \%$ of $1200 + 35.06 \%$ of $270 = ? \%$ of $600$

$\frac{69842 \times 69842 - 30158 \times 30158}{69842 - 30158} = ?$