For the following questions answer them individually
$$\frac{3}{7} \times \frac{9}{14} \div \frac{5}{7}=?$$
3596 - 2832 + 2040 = ? $$\times$$ 40
$$6\frac{3}{8}-3\frac{1}{16}+5\frac{1}{8}=?$$
7474 + 4747 = ? $$\times$$ 25
$$(?)^{1/3}+\sqrt{9}-12= \sqrt{1764}$$
What approximate value should come in place of the question mark (?) in the following questions ? (Note : You are not expected to calculate the exact value.)
15.003 $$\times$$ 14.998 + 125.010 = ?
$$9525 \div 80 \div 8 = ?$$
7777.009 - 596.999 -89.989 = ?
805.0003 + 34.9909 = ?
$$(13.5)^{2}$$ = ?