A shopkeeper buys an article at $8$ for $Rs\,16$ and sells them at $9$ for $Rs\,20$. What is his gain or loss percent?
$10 \%$ loss
$10 \%$ gain
$11 \frac{1}{9} \%$ gain
$11 \frac{1}{9} \%$ loss
Due to a $20 \%$ rise in price of sugar, a bachelor is able to buy $1.5\, kg$ less for $Rs.\, 135.$ What is the increased price of sugar per $kg$ in $Rs.$ ?
Mohan buys a watch for $Rs.\,350$ and sells it for $Rs.\,392.$ Find out his percentage of profit.
The marked price of a watch was $Rs.\,720.$ A man bought the same for $Rs.\, 550.80$ after getting two successive discounts, the first being $10 \% .$ The second discount rate is.......$\%$
By selling $90$ pens for $Rs.\, 80$ a man loses $20 \%$. What should be the selling price (in $Rs.$) of $90$ pens for $20\%$ profit?
Articles are marked at a price which gives a profit of $25 \%$. After allowing a certain discount the profit reduces to $12\frac{1}{2} \%$. The discount percent is