In a certain store, the profit is $320 \%$ of the cost. If the cost increases by $25 \%$ but the selling price remains constant, approximately what percentage of the selling price is the profit?
$30$
$70$
$100$
$250$
While selling a watch, a shopkeeper gives a discount of $15 \% .$ If he gives a discount of $20 \%,$ he earns $Rs.\, 51$ less as profit. What is the original price of the watch? (in $Rs$)
Rahim bought a gift item for $Rs.\,510$ after getting a discount of $15 \% .$ He then sells it $5 \%$ above the marked price. The profit earned in this deal is (in $Rs.$)
Aditya bought $200$ dozen orange at $Rs.\, 10$ per dozen and he spent $Rs.\, 500$ on transportation. Hesold each orange at $Rs.\, 1$ each. What was his profit or loss $\% ?$
A shopkeeper sells goods at $10 \%$ loss on cost price, but uses $20 \%$ less weight. What is his profit or loss percentage?
A man buys $10$ oranges for a rupee and sells $8$ oranges for a rupee. What is the profit percent?