A reduction of $21 \%$ in the price of an item enables a person to buy $3\, Kg$ more for $Rs.\,100.$ The reduced price of the item per $Kg$ is (in $Rs.$)
$5.50$
$7.50$
$10.50$
$7.00$
The market price of an article is $Rs.$ $100 .$ If the article is sold at a discount of $10 \%,$ then $35 \%$ profit is realised. How much loss or profit will be made if it is sold for $Rs.\, 30$ less than market price?
Find $CP$ when $SP = Rs.\, 51 .70, \operatorname{loss}=12 \% ?$
A shopkeeper sold one$-$third of his goods at a loss of $15 \% .$ To get a profit of $10 \%$ on the whole transaction, he should sell the remaining articles at a profit of in $\%$
The ratio of cost price and selling price of an article is $25: 26 .$ The percent of profit will be
A men gains $20 \%$ by selling an article for a certain price. If he sells it at double the price, what will be the percentage of profit?