What will come in place of the question mark (?) in the following question?
$335.01 \times 244.99 \div 55 = ?$

What is the value of $\frac{2.75 \times 2.75 \times 2.75 - 2.25 \times 2.25 \times 2.25}{2.75 \times 2.75 + 2.75 \times 2.25 + 2.25 \times 2.25}$?

What is the value of $9 \frac{1}{3} + 19 \frac{2}{3} + 20 \frac{3}{4} + 19 \frac{1}{4}$?

What is the value of $4^{3}-3^{2}+6^{2}-5^{2}+8^{2}-7^{2} ?$

$\frac{? \div 12}{0.2 \times 3.6} = 2$

If $\sqrt{1+\frac{x}{144}}=\frac{13}{12},$ then $x$ equals to