Ram purchased a Computer set of $Rs.\, 12500$ and spent $Rs.\,300$ on transportation and $Rs.\, 800$ on installation. At what price should he sell it so as to earn an overall profit of $15 \% ?$ (in $Rs.$)

The profit earned by selling an article for $Rs. 832$ is equal to the loss incurred when the same article is sold for $Rs. 448.$ What should be the selling price for making $50\%$ profit? (in $Rs.$)

By selling an umbrella for $Rs.\, 300,$ a shopkeeper gains $20 \%$. During a clearance sale, the shopkeeper allows a discount of $10 \%$ on the marked price. His gain per cent during the sale is

A shopkeeper sold Chairs at $Rs.\, 2139$ each after giving $7 \%$ discount on labelled price. Had he not given the discount, he would have earned a profit of $15 \%$ on the cost price. What was the cost price of each chairs? (in $Rs.$)

A shopkeeper earns a profit of $12 \%$ on selling a book at $10 \%$ discount on the printed price. The ratio of the cost price and the printed price of the book is

Gita buys a plot of land for $Rs.\,96,000.$ She sells $\frac{2}{5}$ of it at a loss of $6 \% .$ She wants to make a profit of $10 \%$ on the whole transaction by selling the remaining land. The gain percentage on the remaining land is