The selling price of a chair is $Rs. 1386$. If the loss percentage is $23\%$,what is the cost price (in $Rs.$) of the chair?

$A$ garment company declared $15\%$ discount for wholesale buyers. Mr. Ashish bought garments from the company for $Rs. 25000$ after getting the discount. He fixed the selling price of the garments in such a way that he earned a profit of $8\%$ on the original company price. What is the approximate total selling price? (in $Rs.$)

By selling $80$ ball pens for $₹ 140$,a retailer loses $30 \%$. How many ball pens should he sell for $₹ 104$ so as to make a profit of $30 \% ?$

$A$ reduction of $21\%$ in the price of an item enables a person to buy $3\, Kg$ more for $₹ 100$. The reduced price of the item per $Kg$ is (in $₹$):

If an item is sold for $Rs. 924$,there is a profit of $10\%$. What is the cost price?

By selling an article for $Rs. 450$,a man loses $10\%$. The gain or loss percent if he sells it for $Rs. 540$ is: