If the selling price is tripled and cost price doubled the profit would become $65 \% .$ What is the present profit (in $\%$)?

A retailer offers the following discount schemes for buyers on an article

$I.$ Two successive discounts of $10 \%$

$II.$ A discount of $12 \%$ followed by a discount of $8 \%$

$III.$ Successive discounts of $15 \%$ and $5 \%$

$IV.$ A discount of $20 \%$

The selling price will be minimum under the scheme

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?

A shopkeeper sold an article offering a discount of $5 \%$ and earned a profit of $23.5 \% .$ What would have been the percentage of profit earned if no discount was offered?

An article is sold at a certain fixed price. By selling it at $\frac{2}{3}$ of that price, one loses $10 \%$. The gain percent on selling it at the original price is

If a men reduces the selling price of a fan from $Rs$ $400$ to $Rs.\, 380$, his loss increases by $2 \%$. The cost price of the fan is (in $Rs.$)