A man buys a table and a chair for $Rs.\, 500.$ He sells the table at a loss of $10 \%$ and the chair at a gain of $10 \% .$ He still gains $Rs.\, 10$ on the whole. The cost price of chair in rupees is
$200$
$250$
$300$
$350$
A man sells two article for $Rs.\,5000$ each neither losing nor gaining in the deal. If he sold one of them at a gain of $25 \%,$ the other article is sold at a loss of.......$\%$
A person purchases $8$ pens for ₹ $10$ and sells $10$ pens for ₹ $8.$ How much profit or loss does he make in ?
When Ram sold his book for $Rs.\, 255$ he made a loss of $15\%.$ For how much he should have sold it if he wanted to make a profit of $5 \% ?$
Selling price of a glass is $Rs.\, 1965$ and loss per cent is $25 \%$. If selling price is $Rs.\,3013,$ then what will be the profit percent?
If the ratio of the cost price and selling price of an article is $20: 21,$ then what will be the profit percent?