What will come in place of the question mark (?) in the following questions?
5544 + 6767 - 3443 = ?
$$\frac{21}{25} \times \frac{75}{56} \times \frac{32}{33} = ?$$
$$\frac{5}{7} + \frac{2}{3} - \frac{2}{7} = ? $$
$$\sqrt[3]{1728} = ? - 7 $$
$$42 \%$$ of $$12\%$$ of $$\frac{1}{4}$$ of $$15000 = ?$$
12% of 150 + 62% of 800 = ?
$$\frac{4}{5}$$ of $$38\%$$ of $$600-15.4=?$$
$$60 \times \frac{8}{15} = ? $$
$$72 \times 4.3 \times 0.8 = ?$$
7.14 + 3.29 + 9.43 + 8.19 = ?