By selling an umbrella for $Rs.\, 300,$ a shopkeeper gains $20 \%$. During a clearance sale, the shopkeeper allows a discount of $10 \%$ on the marked price. His gain per cent during the sale is
$7$
$7.5$
$8$
$9$
A shopkeeper allows a discount of $12.5 \%$ on the marked price of a certain article and makes a profit of $20 \% .$ If the article costs the shopkeeper $Rs. 210$, then the marked price of the article will be (in $Rs.$)
If the cost price of $12$ pens is equal to selling price of $8$ pens, find the gain percent.
A man sold his two cars for $Rs.$ $4.5$ $lakh$ each. In the sale of first car, he incurred $20 \%$ profit and in the sale of the second, he incurred $20 \%$ loss. The total amount of profit or loss is?
The value of an article depreciates every year at the rate of $10 \%$ of its value. If the present value of the article is $Rs.\, 729$, then its worth $3\, years$ ago was (in $Rs.$)
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 $Rs$)