A dishonest dealer defrauds to the extent of $x \%$ in buying as well as selling his goods by using faulty weight. What will be the gain per cent on his outlay?
$2 x$$\%$
$\left(\frac{10}{x}+x^{2}\right) \%$
$\left(2 x+\frac{x^{2}}{100}\right) \%$
$\left(x+\frac{x^{2}}{100}\right) \%$
Find a simple discount equivalent to a discount series of $10 \%, 20 \%$ and $25 \%$ (in $\%$)
A trader sells his table at a profit of $15 \%$ and the chair at a loss of $7 \frac{1}{2} \%,$ but on the whole he gains $Rs.\, 50 .$ If he sells the table at a loss of $7 \frac{1}{2} \%,$ and chair at a profit of $15 \%,$ then he neither gains nor loses. Find the cost price of the table
If the ratio of the cost price and selling price of an article is $20: 21,$ then what will be the profit percent?
cost price of $100$ books is equal to the selling price of $60$ books. The gain percentage or less percentage is
A shopkeeper sells rice at $10 \%$ profit and uses weight $30 \%$ less than the actual measure. His gain percent is