Simplify the following:
$4 \sqrt{28} \div 3 \sqrt{7}$

State the number which is a whole number but not a natural number.

For each question,select the proper option from four options given,to make the statement true: $.............$ is a rational number between $7$ and $8$.

Convert the following rational number into decimal form and state the kind of its decimal expansion:
$\frac{29}{12}$

State whether the following statement is true or false:
Every whole number is an integer.

Rationalize the denominator of the following expression: $\frac{n^{2}}{\sqrt{m^{2}+n^{2}}+m}$