What will come in place of the question mark (?) in each of the following questions ?
(16% of 450) ÷ (?% of 250) = 4.8
(786 × 24) ÷ ? = 524
$$\frac{2}{9}$$ of $$[1\frac{3}{4}+1\frac{5}{8}]=?$$
$$\frac{40\times4\div4^{2}\times2}{90\div5\times12}$$
$$\sqrt{?}-11=\sqrt{1521}$$
1.05% of 2500 + 2.5 % of 440 =?
$$\sqrt{(176\times2+3^{2})}=4+\sqrt{?}$$
$$\frac{(0.9)^{3}-(0.3)^{3}}{(0.9)^{3}+(0.3)^{3}}=?$$
$$\sqrt{5}\times5\sqrt{3}\div\sqrt{15}=?-1$$
5/9 of 315 + 3/7 of 455 = ?