The value of $1.999 ....$ in the form $\frac{p}{q},$ where $p$ and $q$ are integers and $q \neq 0,$ is
$\frac{19}{10}$
$2$
$\frac{1999}{1000}$
$\frac{1}{9}$
Represent $5 . \overline{49}$ on the number line, using successive magnification, up to $4$ decimal places.
Add $: 0 . \overline{3}+0.4 \overline{7}$
Construct the square root spiral up to $\sqrt{6}$.
If $x=7-4 \sqrt{3},$ then find the value of $x^{2}+\frac{1}{x^{2}}$
Convert following rational numbers in decimal form and state the kind of its decimal expansion
$\frac{71}{125}$