For the following questions answer them individually
A shopkeeper bought two units of an article at the same price. He sold one unit at a profit of 30%. If on selling the second unit, he incurred a loss which was one-third of the profit earned on the first unit, what was his overall profit percent ?
What will come in place of question mark (?) in the given questions ?
$$(\sqrt{\frac{324}{9}}\times1.5)^{2}=?$$
$$20\%$$ of $$270-6=?^{2}$$
$$(\frac{2}{3}+1\frac{1}{5})\times3=?$$
$$?\times25=10^{4}-3600$$
$$(36\div\sqrt{18}\times\sqrt{6})\div3=?$$
$$?-\sqrt{9}-\sqrt{64}=24$$
$$3\frac{1}{8}+2\frac{5}{24}=?$$
$$3.7\times24\div5=?\div3.3$$
?% of (140 ÷ 6) = 7