Solve the given two equations and select the correct option.
$I.$ $9x^{2} - 114x + 361 = 0$
$II.$ $y^{2} = 36$

Solve the given two equations and select the correct option.
$I.$ $x^{2}-4=0$
$II.$ $y^{2}+6y+9=0$

Solve the given two equations and select the correct answer from the given options.
$I.$ $\sqrt{25} x + \sqrt{16} y = 41$
$II.$ $\sqrt{16} x + \sqrt{25} y = 40$

If the roots of the equation $\frac{1}{x + p} + \frac{1}{x + q} = \frac{1}{r}$ are equal in magnitude but opposite in sign,then the product of the roots will be

The roots of the equation $\sqrt{3x + 1} + 1 = \sqrt{x}$ are

$A$ real root of the equation $\log_{4}\{\log_{2}(\sqrt{x+8} - \sqrt{x})\} = 0$ is