Subject Experts Solutions for Chapter: Comparing Quantities, Exercise 11: Let Us Try 9.4

A dealer buys $20$ chairs at $\mathrm{₹}200$ each. He sells 10 of the chairs at $\mathrm{₹}225$ each and the remaining chairs at $150$ each. Find the percentage of net gain or loss.

A man sells an article for $\mathrm{₹}900$ and incurs a loss equal to $\frac{1}{4}$^th of the selling price. Find the percentage of loss incurred.

Tom sells 4 radios for $\mathrm{₹}\mathrm{1,550}$ and earns a profit of $8\frac{1}{3}\%$. Find the cost price of each radio.

A bookseller sells $250$ copies of a book at a profit of $10\%$. He also sells some copies of the book at a loss of $5\%$. The cost price of each book is $\mathrm{₹}60$. If he earns $\frac{10}{3}\%$ profit in the complete transaction, find the total number of copies sold by him.

A fruit seller buys a stock of $200$ oranges at $\mathrm{₹}6$ each and another stock of $200$ oranges at $₹8$ each. While sorting through them, he finds that there are $40$ rotten oranges which he cannot sell. Find the price at which he must sell each orange so as to make a profit of $10\%$ in the complete transaction.

The marked price of a book is $\mathrm{₹}400$. In a bookshop, all students get a discount of $15\%$ on the book. Still, the shopkeeper earns a profit of $10\%$ on selling this book. Find the cost price of the book (upto two decimal numbers).

The cost of a bar of chocolate is $\mathrm{₹}125$. If there is a discount of $8\%$ and a tax of $12\%$ is levied on it, find the net price of the chocolate.

The marked price of a shirt is $\mathrm{₹}560$. If the billed price of the shirt, when there is a discount of $10\%$ and a tax of $12\%$ is levied on it is $\mathrm{₹}k$, find the value of $k$ in decimal.