A person sells $36$ oranges per $Rs.\, 1$ and makes a loss of $4 \% .$ Find how many oranges per $Rs$ to be sold to have a gain of $8 \% ?$
$\frac{1}{32}$
$5$
$\frac{1}{16}$
None of these
A shopkeeper professes to sell his goods at cost price but uses a $930$ $gm$ weight instead of $1$ kilogram weight. What will be the profit per cent of the shopkeeper?
By selling an article for $Rs.\, 450,$ a man loses $10 \% .$ The gain or loss percent if he sells it for $Rs.\, 540$ is
Aditya purchase a book with a $20 \%$ discount on the marked price. How much $Rs.$ did he pay if the book marked was $Rs.$ $500 ?$
Arun marks up the computer he is selling by $20 \%$ profit and sells them at a discount of $15 \%$. Arun's net gain percent is
What profit/loss percent did Ravi earn if he purchased an item of $Rs.\,5600$ and sold it at $3/4$ of its cost price?