A shopkeeper sells a badminton racket, whose marked price is $Rs.\, 30$, at a discount of $15 \%$ and gives a shuttle cock costing $Rs.$ $1.50$ free with each racket. Even then he makes a profit of $20\%.$ His cost price per racket is (in $Rs$)

A shopkeeper purchased $150$ identical pieces of furniture at the rate of $Rs.\, 250$ each. He spent an amount of $Rs.\, 2500$ on packing. He fixed the price of each each furniture at $Rs.\, 320$. However, he decided fe give a discount of $5 \%$ on the labeled price. What is the percent profit earned by him?

A person sells two articles, each for $Rs.\,1040.$ He incurs $20 \%$ loss on the first and $10 \%$ loss on the second. Find out overall percent loss.

A shopkeeper gains $17 \%$ after allowing a discount of $10 \%$ on the marked price of an article. Find his profit percent if the article is sold at marked price allowing no discount.

Selling price of a chair is $Rs.$ $1386 .$ If loss percent is $23 \%$ then what is the cost price (in $Rs.$) of chair?

On an order of $5$ dozen boxes of a consumer product, a retailer receives an extra dozen free. This is equivalent to allowing him a discount of........$\%$