The cost price of $12$ tables is equal to the selling price of $16$ tables. The loss percent is
$15$
$20$
$25$
$30$
A sells an article to $B$ at a gain of $20 \%$ and $B$ sells it to $C$ at a gain of $10 \%$ and $C$ sells it to $D$ at a gain of $12 \frac{1}{2} \% .$ If $D$ pays $Rs.\, 29.70,$ then $A$ purchased the article for (in $Rs.$)
A man sells an article at $5 \%$ above its cost price. If he had bought it at $5 \%$ less than what he had paid for it and sold it at $Rs.\, 2$ less, he would have gained $10 \% .$ The cost price of the article is (in $Rs.$)
A vendor bought toffees at $6$ for a rupee. How many for a rupee must he sell to gain $20 \% ?$
On an article the profit is $210 \%$ of the cost price. If the cost price increase by $40 \%$ but the selling price remains constant, approximately what percent of selling price will be the profit?
On a certain item profit is $150 \% .$ If the cost price increase by $25 \%$ what will be the new profit margin $($ in $\%)$