What will come in place of the question mark(?) in the following questions ?
$$18^{2}+\sqrt{?}=350$$
$$1530 \div 34 \times 360 \div 24=?$$
4966+285-1236+?=4860
$$\frac{17 \times 4+18 \times 3}{\sqrt{441} \times 5+139}=?$$
$$2820 \div 12 \times 8=?$$
$$1950 \div 26 \div 25=?$$
18% of 450-75% of 96=?
75.75-48.32+146.92 = ?
$$8\frac{1}{3} \times 4\frac{2}{5}+?=44\frac{2}{5}$$
$$27.28 \div 2.2 +4.7 \times 1.5=?$$