By selling an article at $\frac{2}{5}$ of the marked price, there is a loss of $25 \%$. The ratio of the marked price and the cost price of the article is
$2:5$
$5:2$
$8:15$
$15:8$
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 $\% ?$
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?
A shopkeeper sells $25$ articles at $Rs.\, 45$ per article after giving $10 \%$ discount and earns $50 \%$ profit. If the discount is not given, the profit gained is......$\%$
Mohit purchased $40\, kg$ of wheat at $Rs.\,12 .50$ per $kg$ and $25\, kg$ of wheat at $Rs.\,15.10$ per $kg.$ He mixed the two qualities of wheat for selling. At what rate should it be sold to gain $10 \% ?$ (in $Rs.)$
A shopkeeper allows a discount of $10 \%$ on the marked price of an item but charges a sales tax of $8 \%$ on the discounted price. If the customer pays $Rs.\, 3,402$ as the price including the sales tax, then the marked price is (in $Rs.$)